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Finding the Fourth Proportional to 17,976.57, 26,925.57 and 14,821.13

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Solution

The fourth proportional to 17,976.57, 26,925.57 and 14,821.13 is: 22,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.57 : 26,925.57 = 14,821.13 : x
  2. Step 2: Convert to fraction form
    17,976.57/26,925.57 = 14,821.13/x
  3. Step 3: Cross multiply
    17,976.57x = 26,925.57 × 14,821.13
  4. Step 4: Simplify right side
    17,976.57x = 399,067,238.67
  5. Step 5: Solve for x
    x = 399,067,238.67/17,976.57
  6. Step 6: Final answer
    x = 22,199.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.