Home / 23,387.04-32,280-15,018.12

Finding the Fourth Proportional to 23,387.04, 32,280 and 15,018.12

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Solution

The fourth proportional to 23,387.04, 32,280 and 15,018.12 is: 20,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.04 : 32,280 = 15,018.12 : x
  2. Step 2: Convert to fraction form
    23,387.04/32,280 = 15,018.12/x
  3. Step 3: Cross multiply
    23,387.04x = 32,280 × 15,018.12
  4. Step 4: Simplify right side
    23,387.04x = 484,784,913.60
  5. Step 5: Solve for x
    x = 484,784,913.60/23,387.04
  6. Step 6: Final answer
    x = 20,728.78

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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.