Home / 23,169.80-31,965.18-15,112.83

Finding the Fourth Proportional to 23,169.80, 31,965.18 and 15,112.83

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Solution

The fourth proportional to 23,169.80, 31,965.18 and 15,112.83 is: 20,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.80 : 31,965.18 = 15,112.83 : x
  2. Step 2: Convert to fraction form
    23,169.80/31,965.18 = 15,112.83/x
  3. Step 3: Cross multiply
    23,169.80x = 31,965.18 × 15,112.83
  4. Step 4: Simplify right side
    23,169.80x = 483,084,299.66
  5. Step 5: Solve for x
    x = 483,084,299.66/23,169.80
  6. Step 6: Final answer
    x = 20,849.74

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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.