Home / 24,721.90-34,116.26-13,391.42

Finding the Fourth Proportional to 24,721.90, 34,116.26 and 13,391.42

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Solution

The fourth proportional to 24,721.90, 34,116.26 and 13,391.42 is: 18,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.90 : 34,116.26 = 13,391.42 : x
  2. Step 2: Convert to fraction form
    24,721.90/34,116.26 = 13,391.42/x
  3. Step 3: Cross multiply
    24,721.90x = 34,116.26 × 13,391.42
  4. Step 4: Simplify right side
    24,721.90x = 456,865,166.49
  5. Step 5: Solve for x
    x = 456,865,166.49/24,721.90
  6. Step 6: Final answer
    x = 18,480.18

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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.