Home / 47,523.59-65,578.07-28,399.55

Finding the Fourth Proportional to 47,523.59, 65,578.07 and 28,399.55

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Solution

The fourth proportional to 47,523.59, 65,578.07 and 28,399.55 is: 39,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,523.59 : 65,578.07 = 28,399.55 : x
  2. Step 2: Convert to fraction form
    47,523.59/65,578.07 = 28,399.55/x
  3. Step 3: Cross multiply
    47,523.59x = 65,578.07 × 28,399.55
  4. Step 4: Simplify right side
    47,523.59x = 1,862,387,677.87
  5. Step 5: Solve for x
    x = 1,862,387,677.87/47,523.59
  6. Step 6: Final answer
    x = 39,188.70

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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.