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Finding the Fourth Proportional to 17,879.28, 24,677 and 10,326.84

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Solution

The fourth proportional to 17,879.28, 24,677 and 10,326.84 is: 14,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.28 : 24,677 = 10,326.84 : x
  2. Step 2: Convert to fraction form
    17,879.28/24,677 = 10,326.84/x
  3. Step 3: Cross multiply
    17,879.28x = 24,677 × 10,326.84
  4. Step 4: Simplify right side
    17,879.28x = 254,835,430.68
  5. Step 5: Solve for x
    x = 254,835,430.68/17,879.28
  6. Step 6: Final answer
    x = 14,253.11

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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.