Home / 45,591.86-62,915.13-28,605.25

Finding the Fourth Proportional to 45,591.86, 62,915.13 and 28,605.25

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Solution

The fourth proportional to 45,591.86, 62,915.13 and 28,605.25 is: 39,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.86 : 62,915.13 = 28,605.25 : x
  2. Step 2: Convert to fraction form
    45,591.86/62,915.13 = 28,605.25/x
  3. Step 3: Cross multiply
    45,591.86x = 62,915.13 × 28,605.25
  4. Step 4: Simplify right side
    45,591.86x = 1,799,703,101.08
  5. Step 5: Solve for x
    x = 1,799,703,101.08/45,591.86
  6. Step 6: Final answer
    x = 39,474.22

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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.