Home / 24,721.96-34,116.44-13,391.60

Finding the Fourth Proportional to 24,721.96, 34,116.44 and 13,391.60

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Solution

The fourth proportional to 24,721.96, 34,116.44 and 13,391.60 is: 18,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.96 : 34,116.44 = 13,391.60 : x
  2. Step 2: Convert to fraction form
    24,721.96/34,116.44 = 13,391.60/x
  3. Step 3: Cross multiply
    24,721.96x = 34,116.44 × 13,391.60
  4. Step 4: Simplify right side
    24,721.96x = 456,873,717.90
  5. Step 5: Solve for x
    x = 456,873,717.90/24,721.96
  6. Step 6: Final answer
    x = 18,480.48

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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.