Home / 27,760.14-38,309.58-15,184.89

Finding the Fourth Proportional to 27,760.14, 38,309.58 and 15,184.89

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Solution

The fourth proportional to 27,760.14, 38,309.58 and 15,184.89 is: 20,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.14 : 38,309.58 = 15,184.89 : x
  2. Step 2: Convert to fraction form
    27,760.14/38,309.58 = 15,184.89/x
  3. Step 3: Cross multiply
    27,760.14x = 38,309.58 × 15,184.89
  4. Step 4: Simplify right side
    27,760.14x = 581,726,758.25
  5. Step 5: Solve for x
    x = 581,726,758.25/27,760.14
  6. Step 6: Final answer
    x = 20,955.47

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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.