Home / 27,998.33-38,637.69-15,423.08

Finding the Fourth Proportional to 27,998.33, 38,637.69 and 15,423.08

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Solution

The fourth proportional to 27,998.33, 38,637.69 and 15,423.08 is: 21,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.33 : 38,637.69 = 15,423.08 : x
  2. Step 2: Convert to fraction form
    27,998.33/38,637.69 = 15,423.08/x
  3. Step 3: Cross multiply
    27,998.33x = 38,637.69 × 15,423.08
  4. Step 4: Simplify right side
    27,998.33x = 595,912,183.89
  5. Step 5: Solve for x
    x = 595,912,183.89/27,998.33
  6. Step 6: Final answer
    x = 21,283.85

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Similar ratio
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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.