Home / 27,889.28-38,484.84-15,950.68

Finding the Fourth Proportional to 27,889.28, 38,484.84 and 15,950.68

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Solution

The fourth proportional to 27,889.28, 38,484.84 and 15,950.68 is: 22,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.28 : 38,484.84 = 15,950.68 : x
  2. Step 2: Convert to fraction form
    27,889.28/38,484.84 = 15,950.68/x
  3. Step 3: Cross multiply
    27,889.28x = 38,484.84 × 15,950.68
  4. Step 4: Simplify right side
    27,889.28x = 613,859,367.69
  5. Step 5: Solve for x
    x = 613,859,367.69/27,889.28
  6. Step 6: Final answer
    x = 22,010.58

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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.