Home / 27,776.66-38,331.87-15,201.41

Finding the Fourth Proportional to 27,776.66, 38,331.87 and 15,201.41

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Solution

The fourth proportional to 27,776.66, 38,331.87 and 15,201.41 is: 20,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.66 : 38,331.87 = 15,201.41 : x
  2. Step 2: Convert to fraction form
    27,776.66/38,331.87 = 15,201.41/x
  3. Step 3: Cross multiply
    27,776.66x = 38,331.87 × 15,201.41
  4. Step 4: Simplify right side
    27,776.66x = 582,698,395.93
  5. Step 5: Solve for x
    x = 582,698,395.93/27,776.66
  6. Step 6: Final answer
    x = 20,977.99

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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.