Home / 23,279.39-32,126.23-12,669.69

Finding the Fourth Proportional to 23,279.39, 32,126.23 and 12,669.69

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Solution

The fourth proportional to 23,279.39, 32,126.23 and 12,669.69 is: 17,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.39 : 32,126.23 = 12,669.69 : x
  2. Step 2: Convert to fraction form
    23,279.39/32,126.23 = 12,669.69/x
  3. Step 3: Cross multiply
    23,279.39x = 32,126.23 × 12,669.69
  4. Step 4: Simplify right side
    23,279.39x = 407,029,374.97
  5. Step 5: Solve for x
    x = 407,029,374.97/23,279.39
  6. Step 6: Final answer
    x = 17,484.54

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Double scale
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Similar ratio
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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.