Home / 25,600.12-38,425.10-19,576.15

Finding the Fourth Proportional to 25,600.12, 38,425.10 and 19,576.15

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Solution

The fourth proportional to 25,600.12, 38,425.10 and 19,576.15 is: 29,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.12 : 38,425.10 = 19,576.15 : x
  2. Step 2: Convert to fraction form
    25,600.12/38,425.10 = 19,576.15/x
  3. Step 3: Cross multiply
    25,600.12x = 38,425.10 × 19,576.15
  4. Step 4: Simplify right side
    25,600.12x = 752,215,521.37
  5. Step 5: Solve for x
    x = 752,215,521.37/25,600.12
  6. Step 6: Final answer
    x = 29,383.28

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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.