Home / 25,340.62-38,007.31-8,700.34

Finding the Fourth Proportional to 25,340.62, 38,007.31 and 8,700.34

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Solution

The fourth proportional to 25,340.62, 38,007.31 and 8,700.34 is: 13,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.62 : 38,007.31 = 8,700.34 : x
  2. Step 2: Convert to fraction form
    25,340.62/38,007.31 = 8,700.34/x
  3. Step 3: Cross multiply
    25,340.62x = 38,007.31 × 8,700.34
  4. Step 4: Simplify right side
    25,340.62x = 330,676,519.49
  5. Step 5: Solve for x
    x = 330,676,519.49/25,340.62
  6. Step 6: Final answer
    x = 13,049.27

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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.