Home / 52,260.75-72,121.15-28,387.42

Finding the Fourth Proportional to 52,260.75, 72,121.15 and 28,387.42

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Solution

The fourth proportional to 52,260.75, 72,121.15 and 28,387.42 is: 39,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.75 : 72,121.15 = 28,387.42 : x
  2. Step 2: Convert to fraction form
    52,260.75/72,121.15 = 28,387.42/x
  3. Step 3: Cross multiply
    52,260.75x = 72,121.15 × 28,387.42
  4. Step 4: Simplify right side
    52,260.75x = 2,047,333,231.11
  5. Step 5: Solve for x
    x = 2,047,333,231.11/52,260.75
  6. Step 6: Final answer
    x = 39,175.35

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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.