Home / 36,557.60-54,901.20-28,257.80

Finding the Fourth Proportional to 36,557.60, 54,901.20 and 28,257.80

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Solution

The fourth proportional to 36,557.60, 54,901.20 and 28,257.80 is: 42,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.60 : 54,901.20 = 28,257.80 : x
  2. Step 2: Convert to fraction form
    36,557.60/54,901.20 = 28,257.80/x
  3. Step 3: Cross multiply
    36,557.60x = 54,901.20 × 28,257.80
  4. Step 4: Simplify right side
    36,557.60x = 1,551,387,129.36
  5. Step 5: Solve for x
    x = 1,551,387,129.36/36,557.60
  6. Step 6: Final answer
    x = 42,436.79

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1.5x scale

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.