Home / 52,285.60-72,154.22-28,412.56

Finding the Fourth Proportional to 52,285.60, 72,154.22 and 28,412.56

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Solution

The fourth proportional to 52,285.60, 72,154.22 and 28,412.56 is: 39,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.60 : 72,154.22 = 28,412.56 : x
  2. Step 2: Convert to fraction form
    52,285.60/72,154.22 = 28,412.56/x
  3. Step 3: Cross multiply
    52,285.60x = 72,154.22 × 28,412.56
  4. Step 4: Simplify right side
    52,285.60x = 2,050,086,105.00
  5. Step 5: Solve for x
    x = 2,050,086,105.00/52,285.60
  6. Step 6: Final answer
    x = 39,209.38

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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.