Home / 27,569.40-38,051.82-18,138.84

Finding the Fourth Proportional to 27,569.40, 38,051.82 and 18,138.84

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Solution

The fourth proportional to 27,569.40, 38,051.82 and 18,138.84 is: 25,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.40 : 38,051.82 = 18,138.84 : x
  2. Step 2: Convert to fraction form
    27,569.40/38,051.82 = 18,138.84/x
  3. Step 3: Cross multiply
    27,569.40x = 38,051.82 × 18,138.84
  4. Step 4: Simplify right side
    27,569.40x = 690,215,874.69
  5. Step 5: Solve for x
    x = 690,215,874.69/27,569.40
  6. Step 6: Final answer
    x = 25,035.58

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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.