Home / 27,621.87-38,118.18-15,046.62

Finding the Fourth Proportional to 27,621.87, 38,118.18 and 15,046.62

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Solution

The fourth proportional to 27,621.87, 38,118.18 and 15,046.62 is: 20,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.87 : 38,118.18 = 15,046.62 : x
  2. Step 2: Convert to fraction form
    27,621.87/38,118.18 = 15,046.62/x
  3. Step 3: Cross multiply
    27,621.87x = 38,118.18 × 15,046.62
  4. Step 4: Simplify right side
    27,621.87x = 573,549,769.55
  5. Step 5: Solve for x
    x = 573,549,769.55/27,621.87
  6. Step 6: Final answer
    x = 20,764.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.