Home / 21,373.38-32,066.55-15,145.46

Finding the Fourth Proportional to 21,373.38, 32,066.55 and 15,145.46

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Solution

The fourth proportional to 21,373.38, 32,066.55 and 15,145.46 is: 22,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.38 : 32,066.55 = 15,145.46 : x
  2. Step 2: Convert to fraction form
    21,373.38/32,066.55 = 15,145.46/x
  3. Step 3: Cross multiply
    21,373.38x = 32,066.55 × 15,145.46
  4. Step 4: Simplify right side
    21,373.38x = 485,662,610.28
  5. Step 5: Solve for x
    x = 485,662,610.28/21,373.38
  6. Step 6: Final answer
    x = 22,722.78

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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.