Home / 23,349.78-32,223.60-13,279.14

Finding the Fourth Proportional to 23,349.78, 32,223.60 and 13,279.14

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Solution

The fourth proportional to 23,349.78, 32,223.60 and 13,279.14 is: 18,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,349.78 : 32,223.60 = 13,279.14 : x
  2. Step 2: Convert to fraction form
    23,349.78/32,223.60 = 13,279.14/x
  3. Step 3: Cross multiply
    23,349.78x = 32,223.60 × 13,279.14
  4. Step 4: Simplify right side
    23,349.78x = 427,901,695.70
  5. Step 5: Solve for x
    x = 427,901,695.70/23,349.78
  6. Step 6: Final answer
    x = 18,325.73

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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.