Home / 25,680.98-38,521.47-17,758.58

Finding the Fourth Proportional to 25,680.98, 38,521.47 and 17,758.58

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Solution

The fourth proportional to 25,680.98, 38,521.47 and 17,758.58 is: 26,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.98 : 38,521.47 = 17,758.58 : x
  2. Step 2: Convert to fraction form
    25,680.98/38,521.47 = 17,758.58/x
  3. Step 3: Cross multiply
    25,680.98x = 38,521.47 × 17,758.58
  4. Step 4: Simplify right side
    25,680.98x = 684,086,414.11
  5. Step 5: Solve for x
    x = 684,086,414.11/25,680.98
  6. Step 6: Final answer
    x = 26,637.87

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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.