Home / 25,542.97-35,250.32-15,465.69

Finding the Fourth Proportional to 25,542.97, 35,250.32 and 15,465.69

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Solution

The fourth proportional to 25,542.97, 35,250.32 and 15,465.69 is: 21,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.97 : 35,250.32 = 15,465.69 : x
  2. Step 2: Convert to fraction form
    25,542.97/35,250.32 = 15,465.69/x
  3. Step 3: Cross multiply
    25,542.97x = 35,250.32 × 15,465.69
  4. Step 4: Simplify right side
    25,542.97x = 545,170,521.52
  5. Step 5: Solve for x
    x = 545,170,521.52/25,542.97
  6. Step 6: Final answer
    x = 21,343.27

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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.