Home / 23,726.40-32,742.06-13,115.81

Finding the Fourth Proportional to 23,726.40, 32,742.06 and 13,115.81

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Solution

The fourth proportional to 23,726.40, 32,742.06 and 13,115.81 is: 18,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,726.40 : 32,742.06 = 13,115.81 : x
  2. Step 2: Convert to fraction form
    23,726.40/32,742.06 = 13,115.81/x
  3. Step 3: Cross multiply
    23,726.40x = 32,742.06 × 13,115.81
  4. Step 4: Simplify right side
    23,726.40x = 429,438,474.26
  5. Step 5: Solve for x
    x = 429,438,474.26/23,726.40
  6. Step 6: Final answer
    x = 18,099.61

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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.