Home / 25,494.29-35,184.50-15,425.21

Finding the Fourth Proportional to 25,494.29, 35,184.50 and 15,425.21

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Solution

The fourth proportional to 25,494.29, 35,184.50 and 15,425.21 is: 21,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.29 : 35,184.50 = 15,425.21 : x
  2. Step 2: Convert to fraction form
    25,494.29/35,184.50 = 15,425.21/x
  3. Step 3: Cross multiply
    25,494.29x = 35,184.50 × 15,425.21
  4. Step 4: Simplify right side
    25,494.29x = 542,728,301.25
  5. Step 5: Solve for x
    x = 542,728,301.25/25,494.29
  6. Step 6: Final answer
    x = 21,288.23

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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.