Home / 27,812.27-38,381.91-15,237.02

Finding the Fourth Proportional to 27,812.27, 38,381.91 and 15,237.02

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Solution

The fourth proportional to 27,812.27, 38,381.91 and 15,237.02 is: 21,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.27 : 38,381.91 = 15,237.02 : x
  2. Step 2: Convert to fraction form
    27,812.27/38,381.91 = 15,237.02/x
  3. Step 3: Cross multiply
    27,812.27x = 38,381.91 × 15,237.02
  4. Step 4: Simplify right side
    27,812.27x = 584,825,930.31
  5. Step 5: Solve for x
    x = 584,825,930.31/27,812.27
  6. Step 6: Final answer
    x = 21,027.62

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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.