Home / 42,186.61-63,280.05-15,884.29

Finding the Fourth Proportional to 42,186.61, 63,280.05 and 15,884.29

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Solution

The fourth proportional to 42,186.61, 63,280.05 and 15,884.29 is: 23,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,186.61 : 63,280.05 = 15,884.29 : x
  2. Step 2: Convert to fraction form
    42,186.61/63,280.05 = 15,884.29/x
  3. Step 3: Cross multiply
    42,186.61x = 63,280.05 × 15,884.29
  4. Step 4: Simplify right side
    42,186.61x = 1,005,158,665.41
  5. Step 5: Solve for x
    x = 1,005,158,665.41/42,186.61
  6. Step 6: Final answer
    x = 23,826.49

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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.