Home / 23,159.88-31,927.17-15,188.28

Finding the Fourth Proportional to 23,159.88, 31,927.17 and 15,188.28

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Solution

The fourth proportional to 23,159.88, 31,927.17 and 15,188.28 is: 20,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.88 : 31,927.17 = 15,188.28 : x
  2. Step 2: Convert to fraction form
    23,159.88/31,927.17 = 15,188.28/x
  3. Step 3: Cross multiply
    23,159.88x = 31,927.17 × 15,188.28
  4. Step 4: Simplify right side
    23,159.88x = 484,918,797.57
  5. Step 5: Solve for x
    x = 484,918,797.57/23,159.88
  6. Step 6: Final answer
    x = 20,937.88

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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.