Home / 23,184.27-31,988.88-15,644.58

Finding the Fourth Proportional to 23,184.27, 31,988.88 and 15,644.58

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Solution

The fourth proportional to 23,184.27, 31,988.88 and 15,644.58 is: 21,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.27 : 31,988.88 = 15,644.58 : x
  2. Step 2: Convert to fraction form
    23,184.27/31,988.88 = 15,644.58/x
  3. Step 3: Cross multiply
    23,184.27x = 31,988.88 × 15,644.58
  4. Step 4: Simplify right side
    23,184.27x = 500,452,592.27
  5. Step 5: Solve for x
    x = 500,452,592.27/23,184.27
  6. Step 6: Final answer
    x = 21,585.87

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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.