Home / 27,761.23-38,309.61-15,185.17

Finding the Fourth Proportional to 27,761.23, 38,309.61 and 15,185.17

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Solution

The fourth proportional to 27,761.23, 38,309.61 and 15,185.17 is: 20,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.23 : 38,309.61 = 15,185.17 : x
  2. Step 2: Convert to fraction form
    27,761.23/38,309.61 = 15,185.17/x
  3. Step 3: Cross multiply
    27,761.23x = 38,309.61 × 15,185.17
  4. Step 4: Simplify right side
    27,761.23x = 581,737,940.48
  5. Step 5: Solve for x
    x = 581,737,940.48/27,761.23
  6. Step 6: Final answer
    x = 20,955.05

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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.