Home / 25,542.14-35,248.84-15,472.40

Finding the Fourth Proportional to 25,542.14, 35,248.84 and 15,472.40

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Solution

The fourth proportional to 25,542.14, 35,248.84 and 15,472.40 is: 21,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.14 : 35,248.84 = 15,472.40 : x
  2. Step 2: Convert to fraction form
    25,542.14/35,248.84 = 15,472.40/x
  3. Step 3: Cross multiply
    25,542.14x = 35,248.84 × 15,472.40
  4. Step 4: Simplify right side
    25,542.14x = 545,384,152.02
  5. Step 5: Solve for x
    x = 545,384,152.02/25,542.14
  6. Step 6: Final answer
    x = 21,352.33

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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.