Home / 27,982.17-38,618.73-16,045.47

Finding the Fourth Proportional to 27,982.17, 38,618.73 and 16,045.47

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Solution

The fourth proportional to 27,982.17, 38,618.73 and 16,045.47 is: 22,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.17 : 38,618.73 = 16,045.47 : x
  2. Step 2: Convert to fraction form
    27,982.17/38,618.73 = 16,045.47/x
  3. Step 3: Cross multiply
    27,982.17x = 38,618.73 × 16,045.47
  4. Step 4: Simplify right side
    27,982.17x = 619,655,673.65
  5. Step 5: Solve for x
    x = 619,655,673.65/27,982.17
  6. Step 6: Final answer
    x = 22,144.66

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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.