Home / 20,932.52-31,396.08-17,444.30

Finding the Fourth Proportional to 20,932.52, 31,396.08 and 17,444.30

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Solution

The fourth proportional to 20,932.52, 31,396.08 and 17,444.30 is: 26,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.52 : 31,396.08 = 17,444.30 : x
  2. Step 2: Convert to fraction form
    20,932.52/31,396.08 = 17,444.30/x
  3. Step 3: Cross multiply
    20,932.52x = 31,396.08 × 17,444.30
  4. Step 4: Simplify right side
    20,932.52x = 547,682,638.34
  5. Step 5: Solve for x
    x = 547,682,638.34/20,932.52
  6. Step 6: Final answer
    x = 26,164.20

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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.