Home / 52,302.20-72,177.77-28,428.87

Finding the Fourth Proportional to 52,302.20, 72,177.77 and 28,428.87

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Solution

The fourth proportional to 52,302.20, 72,177.77 and 28,428.87 is: 39,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.20 : 72,177.77 = 28,428.87 : x
  2. Step 2: Convert to fraction form
    52,302.20/72,177.77 = 28,428.87/x
  3. Step 3: Cross multiply
    52,302.20x = 72,177.77 × 28,428.87
  4. Step 4: Simplify right side
    52,302.20x = 2,051,932,440.22
  5. Step 5: Solve for x
    x = 2,051,932,440.22/52,302.20
  6. Step 6: Final answer
    x = 39,232.24

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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.