Home / 23,127.32-31,915.69-12,517.02

Finding the Fourth Proportional to 23,127.32, 31,915.69 and 12,517.02

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Solution

The fourth proportional to 23,127.32, 31,915.69 and 12,517.02 is: 17,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.32 : 31,915.69 = 12,517.02 : x
  2. Step 2: Convert to fraction form
    23,127.32/31,915.69 = 12,517.02/x
  3. Step 3: Cross multiply
    23,127.32x = 31,915.69 × 12,517.02
  4. Step 4: Simplify right side
    23,127.32x = 399,489,330.04
  5. Step 5: Solve for x
    x = 399,489,330.04/23,127.32
  6. Step 6: Final answer
    x = 17,273.48

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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.