Home / 20,224.41-30,358.17-17,899.20

Finding the Fourth Proportional to 20,224.41, 30,358.17 and 17,899.20

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Solution

The fourth proportional to 20,224.41, 30,358.17 and 17,899.20 is: 26,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.41 : 30,358.17 = 17,899.20 : x
  2. Step 2: Convert to fraction form
    20,224.41/30,358.17 = 17,899.20/x
  3. Step 3: Cross multiply
    20,224.41x = 30,358.17 × 17,899.20
  4. Step 4: Simplify right side
    20,224.41x = 543,386,956.46
  5. Step 5: Solve for x
    x = 543,386,956.46/20,224.41
  6. Step 6: Final answer
    x = 26,867.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.