Home / 27,719.15-38,265.01-17,661.38

Finding the Fourth Proportional to 27,719.15, 38,265.01 and 17,661.38

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Solution

The fourth proportional to 27,719.15, 38,265.01 and 17,661.38 is: 24,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.15 : 38,265.01 = 17,661.38 : x
  2. Step 2: Convert to fraction form
    27,719.15/38,265.01 = 17,661.38/x
  3. Step 3: Cross multiply
    27,719.15x = 38,265.01 × 17,661.38
  4. Step 4: Simplify right side
    27,719.15x = 675,812,646.84
  5. Step 5: Solve for x
    x = 675,812,646.84/27,719.15
  6. Step 6: Final answer
    x = 24,380.72

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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.