Home / 24,939.15-34,416.12-13,608.90

Finding the Fourth Proportional to 24,939.15, 34,416.12 and 13,608.90

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Solution

The fourth proportional to 24,939.15, 34,416.12 and 13,608.90 is: 18,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,939.15 : 34,416.12 = 13,608.90 : x
  2. Step 2: Convert to fraction form
    24,939.15/34,416.12 = 13,608.90/x
  3. Step 3: Cross multiply
    24,939.15x = 34,416.12 × 13,608.90
  4. Step 4: Simplify right side
    24,939.15x = 468,365,466.34
  5. Step 5: Solve for x
    x = 468,365,466.34/24,939.15
  6. Step 6: Final answer
    x = 18,780.33

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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.