Home / 27,332.38-37,720.86-15,394.96

Finding the Fourth Proportional to 27,332.38, 37,720.86 and 15,394.96

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Solution

The fourth proportional to 27,332.38, 37,720.86 and 15,394.96 is: 21,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.38 : 37,720.86 = 15,394.96 : x
  2. Step 2: Convert to fraction form
    27,332.38/37,720.86 = 15,394.96/x
  3. Step 3: Cross multiply
    27,332.38x = 37,720.86 × 15,394.96
  4. Step 4: Simplify right side
    27,332.38x = 580,711,130.87
  5. Step 5: Solve for x
    x = 580,711,130.87/27,332.38
  6. Step 6: Final answer
    x = 21,246.27

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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.