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Finding the Fourth Proportional to 23,266.44, 32,108.40 and 12,655.44

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Solution

The fourth proportional to 23,266.44, 32,108.40 and 12,655.44 is: 17,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,266.44 : 32,108.40 = 12,655.44 : x
  2. Step 2: Convert to fraction form
    23,266.44/32,108.40 = 12,655.44/x
  3. Step 3: Cross multiply
    23,266.44x = 32,108.40 × 12,655.44
  4. Step 4: Simplify right side
    23,266.44x = 406,345,929.70
  5. Step 5: Solve for x
    x = 406,345,929.70/23,266.44
  6. Step 6: Final answer
    x = 17,464.89

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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.