Home / 27,956.38-41,869.76-16,838.78

Finding the Fourth Proportional to 27,956.38, 41,869.76 and 16,838.78

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Solution

The fourth proportional to 27,956.38, 41,869.76 and 16,838.78 is: 25,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.38 : 41,869.76 = 16,838.78 : x
  2. Step 2: Convert to fraction form
    27,956.38/41,869.76 = 16,838.78/x
  3. Step 3: Cross multiply
    27,956.38x = 41,869.76 × 16,838.78
  4. Step 4: Simplify right side
    27,956.38x = 705,035,677.29
  5. Step 5: Solve for x
    x = 705,035,677.29/27,956.38
  6. Step 6: Final answer
    x = 25,219.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.