Home / 23,191.32-31,991.76-16,479.66

Finding the Fourth Proportional to 23,191.32, 31,991.76 and 16,479.66

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Solution

The fourth proportional to 23,191.32, 31,991.76 and 16,479.66 is: 22,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.32 : 31,991.76 = 16,479.66 : x
  2. Step 2: Convert to fraction form
    23,191.32/31,991.76 = 16,479.66/x
  3. Step 3: Cross multiply
    23,191.32x = 31,991.76 × 16,479.66
  4. Step 4: Simplify right side
    23,191.32x = 527,213,167.64
  5. Step 5: Solve for x
    x = 527,213,167.64/23,191.32
  6. Step 6: Final answer
    x = 22,733.22

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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.