Home / 43,373.97-65,061.42-15,288.80

Finding the Fourth Proportional to 43,373.97, 65,061.42 and 15,288.80

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Solution

The fourth proportional to 43,373.97, 65,061.42 and 15,288.80 is: 22,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,373.97 : 65,061.42 = 15,288.80 : x
  2. Step 2: Convert to fraction form
    43,373.97/65,061.42 = 15,288.80/x
  3. Step 3: Cross multiply
    43,373.97x = 65,061.42 × 15,288.80
  4. Step 4: Simplify right side
    43,373.97x = 994,710,712.79
  5. Step 5: Solve for x
    x = 994,710,712.79/43,373.97
  6. Step 6: Final answer
    x = 22,933.36

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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.