Home / 23,887-32,964.11-13,279.15

Finding the Fourth Proportional to 23,887, 32,964.11 and 13,279.15

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Solution

The fourth proportional to 23,887, 32,964.11 and 13,279.15 is: 18,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,887 : 32,964.11 = 13,279.15 : x
  2. Step 2: Convert to fraction form
    23,887/32,964.11 = 13,279.15/x
  3. Step 3: Cross multiply
    23,887x = 32,964.11 × 13,279.15
  4. Step 4: Simplify right side
    23,887x = 437,735,361.31
  5. Step 5: Solve for x
    x = 437,735,361.31/23,887
  6. Step 6: Final answer
    x = 18,325.25

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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.