Home / 27,089.38-37,383.15-15,759.10

Finding the Fourth Proportional to 27,089.38, 37,383.15 and 15,759.10

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Solution

The fourth proportional to 27,089.38, 37,383.15 and 15,759.10 is: 21,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.38 : 37,383.15 = 15,759.10 : x
  2. Step 2: Convert to fraction form
    27,089.38/37,383.15 = 15,759.10/x
  3. Step 3: Cross multiply
    27,089.38x = 37,383.15 × 15,759.10
  4. Step 4: Simplify right side
    27,089.38x = 589,124,799.17
  5. Step 5: Solve for x
    x = 589,124,799.17/27,089.38
  6. Step 6: Final answer
    x = 21,747.44

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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.