Home / 29,117.00-40,139.10-20,592.56

Finding the Fourth Proportional to 29,117.00, 40,139.10 and 20,592.56

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Solution

The fourth proportional to 29,117.00, 40,139.10 and 20,592.56 is: 28,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.00 : 40,139.10 = 20,592.56 : x
  2. Step 2: Convert to fraction form
    29,117.00/40,139.10 = 20,592.56/x
  3. Step 3: Cross multiply
    29,117.00x = 40,139.10 × 20,592.56
  4. Step 4: Simplify right side
    29,117.00x = 826,566,624.40
  5. Step 5: Solve for x
    x = 826,566,624.40/29,117.00
  6. Step 6: Final answer
    x = 28,387.77

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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.