Home / 27,716.46-38,248.65-15,141.30

Finding the Fourth Proportional to 27,716.46, 38,248.65 and 15,141.30

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Solution

The fourth proportional to 27,716.46, 38,248.65 and 15,141.30 is: 20,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.46 : 38,248.65 = 15,141.30 : x
  2. Step 2: Convert to fraction form
    27,716.46/38,248.65 = 15,141.30/x
  3. Step 3: Cross multiply
    27,716.46x = 38,248.65 × 15,141.30
  4. Step 4: Simplify right side
    27,716.46x = 579,134,284.25
  5. Step 5: Solve for x
    x = 579,134,284.25/27,716.46
  6. Step 6: Final answer
    x = 20,894.96

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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.