Home / 27,916.04-41,868.50-13,678.40

Finding the Fourth Proportional to 27,916.04, 41,868.50 and 13,678.40

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Solution

The fourth proportional to 27,916.04, 41,868.50 and 13,678.40 is: 20,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.04 : 41,868.50 = 13,678.40 : x
  2. Step 2: Convert to fraction form
    27,916.04/41,868.50 = 13,678.40/x
  3. Step 3: Cross multiply
    27,916.04x = 41,868.50 × 13,678.40
  4. Step 4: Simplify right side
    27,916.04x = 572,694,126.68
  5. Step 5: Solve for x
    x = 572,694,126.68/27,916.04
  6. Step 6: Final answer
    x = 20,514.88

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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.