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Finding the Fourth Proportional to 23,644.80, 32,630.06 and 13,034.16

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Solution

The fourth proportional to 23,644.80, 32,630.06 and 13,034.16 is: 17,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.80 : 32,630.06 = 13,034.16 : x
  2. Step 2: Convert to fraction form
    23,644.80/32,630.06 = 13,034.16/x
  3. Step 3: Cross multiply
    23,644.80x = 32,630.06 × 13,034.16
  4. Step 4: Simplify right side
    23,644.80x = 425,305,422.85
  5. Step 5: Solve for x
    x = 425,305,422.85/23,644.80
  6. Step 6: Final answer
    x = 17,987.27

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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.