Home / 27,612.48-38,105.28-15,037.12

Finding the Fourth Proportional to 27,612.48, 38,105.28 and 15,037.12

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Solution

The fourth proportional to 27,612.48, 38,105.28 and 15,037.12 is: 20,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.48 : 38,105.28 = 15,037.12 : x
  2. Step 2: Convert to fraction form
    27,612.48/38,105.28 = 15,037.12/x
  3. Step 3: Cross multiply
    27,612.48x = 38,105.28 × 15,037.12
  4. Step 4: Simplify right side
    27,612.48x = 572,993,667.99
  5. Step 5: Solve for x
    x = 572,993,667.99/27,612.48
  6. Step 6: Final answer
    x = 20,751.26

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Half scale
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Double scale
Find fourth proportional to 27,613.48, 38,106.66 and 15,038.12
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.