Home / 27,906.27-38,510.49-15,159.56

Finding the Fourth Proportional to 27,906.27, 38,510.49 and 15,159.56

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Solution

The fourth proportional to 27,906.27, 38,510.49 and 15,159.56 is: 20,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.27 : 38,510.49 = 15,159.56 : x
  2. Step 2: Convert to fraction form
    27,906.27/38,510.49 = 15,159.56/x
  3. Step 3: Cross multiply
    27,906.27x = 38,510.49 × 15,159.56
  4. Step 4: Simplify right side
    27,906.27x = 583,801,862.81
  5. Step 5: Solve for x
    x = 583,801,862.81/27,906.27
  6. Step 6: Final answer
    x = 20,920.10

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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.