Home / 40,429.28-60,641.08-15,123.96

Finding the Fourth Proportional to 40,429.28, 60,641.08 and 15,123.96

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Solution

The fourth proportional to 40,429.28, 60,641.08 and 15,123.96 is: 22,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.28 : 60,641.08 = 15,123.96 : x
  2. Step 2: Convert to fraction form
    40,429.28/60,641.08 = 15,123.96/x
  3. Step 3: Cross multiply
    40,429.28x = 60,641.08 × 15,123.96
  4. Step 4: Simplify right side
    40,429.28x = 917,133,268.28
  5. Step 5: Solve for x
    x = 917,133,268.28/40,429.28
  6. Step 6: Final answer
    x = 22,684.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.