Home / 27,425.74-37,850.88-15,489.58

Finding the Fourth Proportional to 27,425.74, 37,850.88 and 15,489.58

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Solution

The fourth proportional to 27,425.74, 37,850.88 and 15,489.58 is: 21,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.74 : 37,850.88 = 15,489.58 : x
  2. Step 2: Convert to fraction form
    27,425.74/37,850.88 = 15,489.58/x
  3. Step 3: Cross multiply
    27,425.74x = 37,850.88 × 15,489.58
  4. Step 4: Simplify right side
    27,425.74x = 586,294,233.83
  5. Step 5: Solve for x
    x = 586,294,233.83/27,425.74
  6. Step 6: Final answer
    x = 21,377.52

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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.