Home / 40,865.52-61,191.28-26,781.24

Finding the Fourth Proportional to 40,865.52, 61,191.28 and 26,781.24

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Solution

The fourth proportional to 40,865.52, 61,191.28 and 26,781.24 is: 40,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.52 : 61,191.28 = 26,781.24 : x
  2. Step 2: Convert to fraction form
    40,865.52/61,191.28 = 26,781.24/x
  3. Step 3: Cross multiply
    40,865.52x = 61,191.28 × 26,781.24
  4. Step 4: Simplify right side
    40,865.52x = 1,638,778,355.59
  5. Step 5: Solve for x
    x = 1,638,778,355.59/40,865.52
  6. Step 6: Final answer
    x = 40,101.74

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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.