Home / 26,454.30-39,681.45-20,615.28

Finding the Fourth Proportional to 26,454.30, 39,681.45 and 20,615.28

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Solution

The fourth proportional to 26,454.30, 39,681.45 and 20,615.28 is: 30,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.30 : 39,681.45 = 20,615.28 : x
  2. Step 2: Convert to fraction form
    26,454.30/39,681.45 = 20,615.28/x
  3. Step 3: Cross multiply
    26,454.30x = 39,681.45 × 20,615.28
  4. Step 4: Simplify right side
    26,454.30x = 818,044,202.56
  5. Step 5: Solve for x
    x = 818,044,202.56/26,454.30
  6. Step 6: Final answer
    x = 30,922.92

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Similar ratio
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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.