Home / 27,988.28-38,618.88-22,673.96

Finding the Fourth Proportional to 27,988.28, 38,618.88 and 22,673.96

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Solution

The fourth proportional to 27,988.28, 38,618.88 and 22,673.96 is: 31,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.28 : 38,618.88 = 22,673.96 : x
  2. Step 2: Convert to fraction form
    27,988.28/38,618.88 = 22,673.96/x
  3. Step 3: Cross multiply
    27,988.28x = 38,618.88 × 22,673.96
  4. Step 4: Simplify right side
    27,988.28x = 875,642,940.36
  5. Step 5: Solve for x
    x = 875,642,940.36/27,988.28
  6. Step 6: Final answer
    x = 31,286.06

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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.