Home / 27,561.66-38,034.12-15,624.75

Finding the Fourth Proportional to 27,561.66, 38,034.12 and 15,624.75

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Solution

The fourth proportional to 27,561.66, 38,034.12 and 15,624.75 is: 21,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.66 : 38,034.12 = 15,624.75 : x
  2. Step 2: Convert to fraction form
    27,561.66/38,034.12 = 15,624.75/x
  3. Step 3: Cross multiply
    27,561.66x = 38,034.12 × 15,624.75
  4. Step 4: Simplify right side
    27,561.66x = 594,273,616.47
  5. Step 5: Solve for x
    x = 594,273,616.47/27,561.66
  6. Step 6: Final answer
    x = 21,561.60

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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.