Home / 40,428.72-60,711.24-26,412.72

Finding the Fourth Proportional to 40,428.72, 60,711.24 and 26,412.72

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Solution

The fourth proportional to 40,428.72, 60,711.24 and 26,412.72 is: 39,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.72 : 60,711.24 = 26,412.72 : x
  2. Step 2: Convert to fraction form
    40,428.72/60,711.24 = 26,412.72/x
  3. Step 3: Cross multiply
    40,428.72x = 60,711.24 × 26,412.72
  4. Step 4: Simplify right side
    40,428.72x = 1,603,548,982.97
  5. Step 5: Solve for x
    x = 1,603,548,982.97/40,428.72
  6. Step 6: Final answer
    x = 39,663.61

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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.