Home / 27,758.39-38,307.49-15,183.13

Finding the Fourth Proportional to 27,758.39, 38,307.49 and 15,183.13

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Solution

The fourth proportional to 27,758.39, 38,307.49 and 15,183.13 is: 20,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.39 : 38,307.49 = 15,183.13 : x
  2. Step 2: Convert to fraction form
    27,758.39/38,307.49 = 15,183.13/x
  3. Step 3: Cross multiply
    27,758.39x = 38,307.49 × 15,183.13
  4. Step 4: Simplify right side
    27,758.39x = 581,627,524.73
  5. Step 5: Solve for x
    x = 581,627,524.73/27,758.39
  6. Step 6: Final answer
    x = 20,953.22

Related Problems

Find fourth proportional to 13,879.20, 19,153.74 and 7,591.57
Half scale
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Double scale
Find fourth proportional to 27,759.39, 38,308.87 and 15,184.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.