Home / 52,445.68-72,374.84-28,572.28

Finding the Fourth Proportional to 52,445.68, 72,374.84 and 28,572.28

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Solution

The fourth proportional to 52,445.68, 72,374.84 and 28,572.28 is: 39,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.68 : 72,374.84 = 28,572.28 : x
  2. Step 2: Convert to fraction form
    52,445.68/72,374.84 = 28,572.28/x
  3. Step 3: Cross multiply
    52,445.68x = 72,374.84 × 28,572.28
  4. Step 4: Simplify right side
    52,445.68x = 2,067,914,193.44
  5. Step 5: Solve for x
    x = 2,067,914,193.44/52,445.68
  6. Step 6: Final answer
    x = 39,429.64

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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.