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Finding the Fourth Proportional to 27,795, 38,327.30 and 22,411.79

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Solution

The fourth proportional to 27,795, 38,327.30 and 22,411.79 is: 30,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795 : 38,327.30 = 22,411.79 : x
  2. Step 2: Convert to fraction form
    27,795/38,327.30 = 22,411.79/x
  3. Step 3: Cross multiply
    27,795x = 38,327.30 × 22,411.79
  4. Step 4: Simplify right side
    27,795x = 858,983,095.17
  5. Step 5: Solve for x
    x = 858,983,095.17/27,795
  6. Step 6: Final answer
    x = 30,904.23

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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.