Home / 28,037.35-38,691.40-15,462.10

Finding the Fourth Proportional to 28,037.35, 38,691.40 and 15,462.10

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Solution

The fourth proportional to 28,037.35, 38,691.40 and 15,462.10 is: 21,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.35 : 38,691.40 = 15,462.10 : x
  2. Step 2: Convert to fraction form
    28,037.35/38,691.40 = 15,462.10/x
  3. Step 3: Cross multiply
    28,037.35x = 38,691.40 × 15,462.10
  4. Step 4: Simplify right side
    28,037.35x = 598,250,295.94
  5. Step 5: Solve for x
    x = 598,250,295.94/28,037.35
  6. Step 6: Final answer
    x = 21,337.62

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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.