Home / 27,911.04-38,517.09-15,164.13

Finding the Fourth Proportional to 27,911.04, 38,517.09 and 15,164.13

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Solution

The fourth proportional to 27,911.04, 38,517.09 and 15,164.13 is: 20,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.04 : 38,517.09 = 15,164.13 : x
  2. Step 2: Convert to fraction form
    27,911.04/38,517.09 = 15,164.13/x
  3. Step 3: Cross multiply
    27,911.04x = 38,517.09 × 15,164.13
  4. Step 4: Simplify right side
    27,911.04x = 584,078,159.98
  5. Step 5: Solve for x
    x = 584,078,159.98/27,911.04
  6. Step 6: Final answer
    x = 20,926.42

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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.