Home / 27,726.21-38,264.81-15,152.85

Finding the Fourth Proportional to 27,726.21, 38,264.81 and 15,152.85

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Solution

The fourth proportional to 27,726.21, 38,264.81 and 15,152.85 is: 20,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.21 : 38,264.81 = 15,152.85 : x
  2. Step 2: Convert to fraction form
    27,726.21/38,264.81 = 15,152.85/x
  3. Step 3: Cross multiply
    27,726.21x = 38,264.81 × 15,152.85
  4. Step 4: Simplify right side
    27,726.21x = 579,820,850.44
  5. Step 5: Solve for x
    x = 579,820,850.44/27,726.21
  6. Step 6: Final answer
    x = 20,912.37

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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.