Home / 27,767.46-38,318.99-15,020.66

Finding the Fourth Proportional to 27,767.46, 38,318.99 and 15,020.66

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Solution

The fourth proportional to 27,767.46, 38,318.99 and 15,020.66 is: 20,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.46 : 38,318.99 = 15,020.66 : x
  2. Step 2: Convert to fraction form
    27,767.46/38,318.99 = 15,020.66/x
  3. Step 3: Cross multiply
    27,767.46x = 38,318.99 × 15,020.66
  4. Step 4: Simplify right side
    27,767.46x = 575,576,253.64
  5. Step 5: Solve for x
    x = 575,576,253.64/27,767.46
  6. Step 6: Final answer
    x = 20,728.44

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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.