Home / 27,764.46-38,314.85-15,017.65

Finding the Fourth Proportional to 27,764.46, 38,314.85 and 15,017.65

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Solution

The fourth proportional to 27,764.46, 38,314.85 and 15,017.65 is: 20,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.46 : 38,314.85 = 15,017.65 : x
  2. Step 2: Convert to fraction form
    27,764.46/38,314.85 = 15,017.65/x
  3. Step 3: Cross multiply
    27,764.46x = 38,314.85 × 15,017.65
  4. Step 4: Simplify right side
    27,764.46x = 575,398,836.23
  5. Step 5: Solve for x
    x = 575,398,836.23/27,764.46
  6. Step 6: Final answer
    x = 20,724.29

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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.