Home / 43,557.12-60,121.62-28,452.15

Finding the Fourth Proportional to 43,557.12, 60,121.62 and 28,452.15

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Solution

The fourth proportional to 43,557.12, 60,121.62 and 28,452.15 is: 39,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.12 : 60,121.62 = 28,452.15 : x
  2. Step 2: Convert to fraction form
    43,557.12/60,121.62 = 28,452.15/x
  3. Step 3: Cross multiply
    43,557.12x = 60,121.62 × 28,452.15
  4. Step 4: Simplify right side
    43,557.12x = 1,710,589,350.48
  5. Step 5: Solve for x
    x = 1,710,589,350.48/43,557.12
  6. Step 6: Final answer
    x = 39,272.32

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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.