Home / 17,089.28-25,637.90-5,402.20

Finding the Fourth Proportional to 17,089.28, 25,637.90 and 5,402.20

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Solution

The fourth proportional to 17,089.28, 25,637.90 and 5,402.20 is: 8,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.28 : 25,637.90 = 5,402.20 : x
  2. Step 2: Convert to fraction form
    17,089.28/25,637.90 = 5,402.20/x
  3. Step 3: Cross multiply
    17,089.28x = 25,637.90 × 5,402.20
  4. Step 4: Simplify right side
    17,089.28x = 138,501,063.38
  5. Step 5: Solve for x
    x = 138,501,063.38/17,089.28
  6. Step 6: Final answer
    x = 8,104.56

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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.