Home / 27,899.32-38,489.92-17,825.15

Finding the Fourth Proportional to 27,899.32, 38,489.92 and 17,825.15

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Solution

The fourth proportional to 27,899.32, 38,489.92 and 17,825.15 is: 24,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.32 : 38,489.92 = 17,825.15 : x
  2. Step 2: Convert to fraction form
    27,899.32/38,489.92 = 17,825.15/x
  3. Step 3: Cross multiply
    27,899.32x = 38,489.92 × 17,825.15
  4. Step 4: Simplify right side
    27,899.32x = 686,088,597.49
  5. Step 5: Solve for x
    x = 686,088,597.49/27,899.32
  6. Step 6: Final answer
    x = 24,591.59

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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.