Home / 27,621.90-38,118.21-15,046.65

Finding the Fourth Proportional to 27,621.90, 38,118.21 and 15,046.65

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Solution

The fourth proportional to 27,621.90, 38,118.21 and 15,046.65 is: 20,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.90 : 38,118.21 = 15,046.65 : x
  2. Step 2: Convert to fraction form
    27,621.90/38,118.21 = 15,046.65/x
  3. Step 3: Cross multiply
    27,621.90x = 38,118.21 × 15,046.65
  4. Step 4: Simplify right side
    27,621.90x = 573,551,364.50
  5. Step 5: Solve for x
    x = 573,551,364.50/27,621.90
  6. Step 6: Final answer
    x = 20,764.37

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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.