Home / 27,889.74-38,543.13-22,845.96

Finding the Fourth Proportional to 27,889.74, 38,543.13 and 22,845.96

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Solution

The fourth proportional to 27,889.74, 38,543.13 and 22,845.96 is: 31,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.74 : 38,543.13 = 22,845.96 : x
  2. Step 2: Convert to fraction form
    27,889.74/38,543.13 = 22,845.96/x
  3. Step 3: Cross multiply
    27,889.74x = 38,543.13 × 22,845.96
  4. Step 4: Simplify right side
    27,889.74x = 880,554,806.25
  5. Step 5: Solve for x
    x = 880,554,806.25/27,889.74
  6. Step 6: Final answer
    x = 31,572.71

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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.