Home / 27,989.13-38,674.18-22,370.25

Finding the Fourth Proportional to 27,989.13, 38,674.18 and 22,370.25

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Solution

The fourth proportional to 27,989.13, 38,674.18 and 22,370.25 is: 30,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.13 : 38,674.18 = 22,370.25 : x
  2. Step 2: Convert to fraction form
    27,989.13/38,674.18 = 22,370.25/x
  3. Step 3: Cross multiply
    27,989.13x = 38,674.18 × 22,370.25
  4. Step 4: Simplify right side
    27,989.13x = 865,151,110.69
  5. Step 5: Solve for x
    x = 865,151,110.69/27,989.13
  6. Step 6: Final answer
    x = 30,910.25

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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.