Home / 23,178.12-34,731.42-15,652.20

Finding the Fourth Proportional to 23,178.12, 34,731.42 and 15,652.20

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Solution

The fourth proportional to 23,178.12, 34,731.42 and 15,652.20 is: 23,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.12 : 34,731.42 = 15,652.20 : x
  2. Step 2: Convert to fraction form
    23,178.12/34,731.42 = 15,652.20/x
  3. Step 3: Cross multiply
    23,178.12x = 34,731.42 × 15,652.20
  4. Step 4: Simplify right side
    23,178.12x = 543,623,132.12
  5. Step 5: Solve for x
    x = 543,623,132.12/23,178.12
  6. Step 6: Final answer
    x = 23,454.15

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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.