Home / 27,281.60-37,648.23-15,344.93

Finding the Fourth Proportional to 27,281.60, 37,648.23 and 15,344.93

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Solution

The fourth proportional to 27,281.60, 37,648.23 and 15,344.93 is: 21,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.60 : 37,648.23 = 15,344.93 : x
  2. Step 2: Convert to fraction form
    27,281.60/37,648.23 = 15,344.93/x
  3. Step 3: Cross multiply
    27,281.60x = 37,648.23 × 15,344.93
  4. Step 4: Simplify right side
    27,281.60x = 577,709,265.73
  5. Step 5: Solve for x
    x = 577,709,265.73/27,281.60
  6. Step 6: Final answer
    x = 21,175.79

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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.