Home / 42,187.12-63,280.82-15,884.80

Finding the Fourth Proportional to 42,187.12, 63,280.82 and 15,884.80

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Solution

The fourth proportional to 42,187.12, 63,280.82 and 15,884.80 is: 23,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.12 : 63,280.82 = 15,884.80 : x
  2. Step 2: Convert to fraction form
    42,187.12/63,280.82 = 15,884.80/x
  3. Step 3: Cross multiply
    42,187.12x = 63,280.82 × 15,884.80
  4. Step 4: Simplify right side
    42,187.12x = 1,005,203,169.54
  5. Step 5: Solve for x
    x = 1,005,203,169.54/42,187.12
  6. Step 6: Final answer
    x = 23,827.25

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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.