Home / 25,781.26-38,670.60-15,113.56

Finding the Fourth Proportional to 25,781.26, 38,670.60 and 15,113.56

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Solution

The fourth proportional to 25,781.26, 38,670.60 and 15,113.56 is: 22,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.26 : 38,670.60 = 15,113.56 : x
  2. Step 2: Convert to fraction form
    25,781.26/38,670.60 = 15,113.56/x
  3. Step 3: Cross multiply
    25,781.26x = 38,670.60 × 15,113.56
  4. Step 4: Simplify right side
    25,781.26x = 584,450,433.34
  5. Step 5: Solve for x
    x = 584,450,433.34/25,781.26
  6. Step 6: Final answer
    x = 22,669.58

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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.