Home / 42,280.64-63,400.50-15,608.55

Finding the Fourth Proportional to 42,280.64, 63,400.50 and 15,608.55

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Solution

The fourth proportional to 42,280.64, 63,400.50 and 15,608.55 is: 23,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.64 : 63,400.50 = 15,608.55 : x
  2. Step 2: Convert to fraction form
    42,280.64/63,400.50 = 15,608.55/x
  3. Step 3: Cross multiply
    42,280.64x = 63,400.50 × 15,608.55
  4. Step 4: Simplify right side
    42,280.64x = 989,589,874.28
  5. Step 5: Solve for x
    x = 989,589,874.28/42,280.64
  6. Step 6: Final answer
    x = 23,405.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.