Home / 38,689.20-58,041.90-15,315.84

Finding the Fourth Proportional to 38,689.20, 58,041.90 and 15,315.84

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Solution

The fourth proportional to 38,689.20, 58,041.90 and 15,315.84 is: 22,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.20 : 58,041.90 = 15,315.84 : x
  2. Step 2: Convert to fraction form
    38,689.20/58,041.90 = 15,315.84/x
  3. Step 3: Cross multiply
    38,689.20x = 58,041.90 × 15,315.84
  4. Step 4: Simplify right side
    38,689.20x = 888,960,453.70
  5. Step 5: Solve for x
    x = 888,960,453.70/38,689.20
  6. Step 6: Final answer
    x = 22,976.97

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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.