Home / 52,820.57-72,892.40-28,947.80

Finding the Fourth Proportional to 52,820.57, 72,892.40 and 28,947.80

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Solution

The fourth proportional to 52,820.57, 72,892.40 and 28,947.80 is: 39,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820.57 : 72,892.40 = 28,947.80 : x
  2. Step 2: Convert to fraction form
    52,820.57/72,892.40 = 28,947.80/x
  3. Step 3: Cross multiply
    52,820.57x = 72,892.40 × 28,947.80
  4. Step 4: Simplify right side
    52,820.57x = 2,110,074,654.21
  5. Step 5: Solve for x
    x = 2,110,074,654.21/52,820.57
  6. Step 6: Final answer
    x = 39,947.97

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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.