Home / 27,916.65-38,525.13-15,169.93

Finding the Fourth Proportional to 27,916.65, 38,525.13 and 15,169.93

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Solution

The fourth proportional to 27,916.65, 38,525.13 and 15,169.93 is: 20,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.65 : 38,525.13 = 15,169.93 : x
  2. Step 2: Convert to fraction form
    27,916.65/38,525.13 = 15,169.93/x
  3. Step 3: Cross multiply
    27,916.65x = 38,525.13 × 15,169.93
  4. Step 4: Simplify right side
    27,916.65x = 584,423,429.03
  5. Step 5: Solve for x
    x = 584,423,429.03/27,916.65
  6. Step 6: Final answer
    x = 20,934.58

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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.