Home / 25,754.79-35,542.49-15,145.41

Finding the Fourth Proportional to 25,754.79, 35,542.49 and 15,145.41

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Solution

The fourth proportional to 25,754.79, 35,542.49 and 15,145.41 is: 20,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.79 : 35,542.49 = 15,145.41 : x
  2. Step 2: Convert to fraction form
    25,754.79/35,542.49 = 15,145.41/x
  3. Step 3: Cross multiply
    25,754.79x = 35,542.49 × 15,145.41
  4. Step 4: Simplify right side
    25,754.79x = 538,305,507.74
  5. Step 5: Solve for x
    x = 538,305,507.74/25,754.79
  6. Step 6: Final answer
    x = 20,901.18

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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.