Home / 25,617.42-38,351.40-15,726.72

Finding the Fourth Proportional to 25,617.42, 38,351.40 and 15,726.72

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Solution

The fourth proportional to 25,617.42, 38,351.40 and 15,726.72 is: 23,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.42 : 38,351.40 = 15,726.72 : x
  2. Step 2: Convert to fraction form
    25,617.42/38,351.40 = 15,726.72/x
  3. Step 3: Cross multiply
    25,617.42x = 38,351.40 × 15,726.72
  4. Step 4: Simplify right side
    25,617.42x = 603,141,729.41
  5. Step 5: Solve for x
    x = 603,141,729.41/25,617.42
  6. Step 6: Final answer
    x = 23,544.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.