Home / 20,458.17-30,538.01-17,967.08

Finding the Fourth Proportional to 20,458.17, 30,538.01 and 17,967.08

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Solution

The fourth proportional to 20,458.17, 30,538.01 and 17,967.08 is: 26,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.17 : 30,538.01 = 17,967.08 : x
  2. Step 2: Convert to fraction form
    20,458.17/30,538.01 = 17,967.08/x
  3. Step 3: Cross multiply
    20,458.17x = 30,538.01 × 17,967.08
  4. Step 4: Simplify right side
    20,458.17x = 548,678,989.97
  5. Step 5: Solve for x
    x = 548,678,989.97/20,458.17
  6. Step 6: Final answer
    x = 26,819.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.