Home / 27,277.29-37,642.28-15,340.61

Finding the Fourth Proportional to 27,277.29, 37,642.28 and 15,340.61

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Solution

The fourth proportional to 27,277.29, 37,642.28 and 15,340.61 is: 21,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.29 : 37,642.28 = 15,340.61 : x
  2. Step 2: Convert to fraction form
    27,277.29/37,642.28 = 15,340.61/x
  3. Step 3: Cross multiply
    27,277.29x = 37,642.28 × 15,340.61
  4. Step 4: Simplify right side
    27,277.29x = 577,455,554.39
  5. Step 5: Solve for x
    x = 577,455,554.39/27,277.29
  6. Step 6: Final answer
    x = 21,169.83

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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.