Home / 23,423.76-32,318.28-13,988.88

Finding the Fourth Proportional to 23,423.76, 32,318.28 and 13,988.88

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Solution

The fourth proportional to 23,423.76, 32,318.28 and 13,988.88 is: 19,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,423.76 : 32,318.28 = 13,988.88 : x
  2. Step 2: Convert to fraction form
    23,423.76/32,318.28 = 13,988.88/x
  3. Step 3: Cross multiply
    23,423.76x = 32,318.28 × 13,988.88
  4. Step 4: Simplify right side
    23,423.76x = 452,096,540.73
  5. Step 5: Solve for x
    x = 452,096,540.73/23,423.76
  6. Step 6: Final answer
    x = 19,300.77

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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.