Home / 25,862.82-35,691.93-15,114.75

Finding the Fourth Proportional to 25,862.82, 35,691.93 and 15,114.75

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Solution

The fourth proportional to 25,862.82, 35,691.93 and 15,114.75 is: 20,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.82 : 35,691.93 = 15,114.75 : x
  2. Step 2: Convert to fraction form
    25,862.82/35,691.93 = 15,114.75/x
  3. Step 3: Cross multiply
    25,862.82x = 35,691.93 × 15,114.75
  4. Step 4: Simplify right side
    25,862.82x = 539,474,598.97
  5. Step 5: Solve for x
    x = 539,474,598.97/25,862.82
  6. Step 6: Final answer
    x = 20,859.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.