Home / 52,257.60-72,115.20-28,384.08

Finding the Fourth Proportional to 52,257.60, 72,115.20 and 28,384.08

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Solution

The fourth proportional to 52,257.60, 72,115.20 and 28,384.08 is: 39,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.60 : 72,115.20 = 28,384.08 : x
  2. Step 2: Convert to fraction form
    52,257.60/72,115.20 = 28,384.08/x
  3. Step 3: Cross multiply
    52,257.60x = 72,115.20 × 28,384.08
  4. Step 4: Simplify right side
    52,257.60x = 2,046,923,606.02
  5. Step 5: Solve for x
    x = 2,046,923,606.02/52,257.60
  6. Step 6: Final answer
    x = 39,169.87

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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.