Home / 17,938.72-24,740.67-15,923.61

Finding the Fourth Proportional to 17,938.72, 24,740.67 and 15,923.61

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Solution

The fourth proportional to 17,938.72, 24,740.67 and 15,923.61 is: 21,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.72 : 24,740.67 = 15,923.61 : x
  2. Step 2: Convert to fraction form
    17,938.72/24,740.67 = 15,923.61/x
  3. Step 3: Cross multiply
    17,938.72x = 24,740.67 × 15,923.61
  4. Step 4: Simplify right side
    17,938.72x = 393,960,780.22
  5. Step 5: Solve for x
    x = 393,960,780.22/17,938.72
  6. Step 6: Final answer
    x = 21,961.48

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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.