Home / 20,257.92-30,306.96-15,341.76

Finding the Fourth Proportional to 20,257.92, 30,306.96 and 15,341.76

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Solution

The fourth proportional to 20,257.92, 30,306.96 and 15,341.76 is: 22,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.92 : 30,306.96 = 15,341.76 : x
  2. Step 2: Convert to fraction form
    20,257.92/30,306.96 = 15,341.76/x
  3. Step 3: Cross multiply
    20,257.92x = 30,306.96 × 15,341.76
  4. Step 4: Simplify right side
    20,257.92x = 464,962,106.65
  5. Step 5: Solve for x
    x = 464,962,106.65/20,257.92
  6. Step 6: Final answer
    x = 22,952.11

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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.