Home / 27,700.68-38,231.33-17,618.61

Finding the Fourth Proportional to 27,700.68, 38,231.33 and 17,618.61

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Solution

The fourth proportional to 27,700.68, 38,231.33 and 17,618.61 is: 24,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.68 : 38,231.33 = 17,618.61 : x
  2. Step 2: Convert to fraction form
    27,700.68/38,231.33 = 17,618.61/x
  3. Step 3: Cross multiply
    27,700.68x = 38,231.33 × 17,618.61
  4. Step 4: Simplify right side
    27,700.68x = 673,582,804.96
  5. Step 5: Solve for x
    x = 673,582,804.96/27,700.68
  6. Step 6: Final answer
    x = 24,316.47

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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.