Home / 23,279.40-32,126.31-12,669.39

Finding the Fourth Proportional to 23,279.40, 32,126.31 and 12,669.39

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Solution

The fourth proportional to 23,279.40, 32,126.31 and 12,669.39 is: 17,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.40 : 32,126.31 = 12,669.39 : x
  2. Step 2: Convert to fraction form
    23,279.40/32,126.31 = 12,669.39/x
  3. Step 3: Cross multiply
    23,279.40x = 32,126.31 × 12,669.39
  4. Step 4: Simplify right side
    23,279.40x = 407,020,750.65
  5. Step 5: Solve for x
    x = 407,020,750.65/23,279.40
  6. Step 6: Final answer
    x = 17,484.16

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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.