Home / 27,685.74-38,206.47-15,110.76

Finding the Fourth Proportional to 27,685.74, 38,206.47 and 15,110.76

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Solution

The fourth proportional to 27,685.74, 38,206.47 and 15,110.76 is: 20,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.74 : 38,206.47 = 15,110.76 : x
  2. Step 2: Convert to fraction form
    27,685.74/38,206.47 = 15,110.76/x
  3. Step 3: Cross multiply
    27,685.74x = 38,206.47 × 15,110.76
  4. Step 4: Simplify right side
    27,685.74x = 577,328,798.62
  5. Step 5: Solve for x
    x = 577,328,798.62/27,685.74
  6. Step 6: Final answer
    x = 20,852.93

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Half scale
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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.