Home / 29,230.10-40,337.39-15,801.38

Finding the Fourth Proportional to 29,230.10, 40,337.39 and 15,801.38

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Solution

The fourth proportional to 29,230.10, 40,337.39 and 15,801.38 is: 21,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.10 : 40,337.39 = 15,801.38 : x
  2. Step 2: Convert to fraction form
    29,230.10/40,337.39 = 15,801.38/x
  3. Step 3: Cross multiply
    29,230.10x = 40,337.39 × 15,801.38
  4. Step 4: Simplify right side
    29,230.10x = 637,386,146.90
  5. Step 5: Solve for x
    x = 637,386,146.90/29,230.10
  6. Step 6: Final answer
    x = 21,805.82

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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.