Home / 52,500.78-72,450.90-28,627.39

Finding the Fourth Proportional to 52,500.78, 72,450.90 and 28,627.39

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Solution

The fourth proportional to 52,500.78, 72,450.90 and 28,627.39 is: 39,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.78 : 72,450.90 = 28,627.39 : x
  2. Step 2: Convert to fraction form
    52,500.78/72,450.90 = 28,627.39/x
  3. Step 3: Cross multiply
    52,500.78x = 72,450.90 × 28,627.39
  4. Step 4: Simplify right side
    52,500.78x = 2,074,080,170.15
  5. Step 5: Solve for x
    x = 2,074,080,170.15/52,500.78
  6. Step 6: Final answer
    x = 39,505.70

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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.