Home / 19,839.91-27,379.41-10,888.24

Finding the Fourth Proportional to 19,839.91, 27,379.41 and 10,888.24

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Solution

The fourth proportional to 19,839.91, 27,379.41 and 10,888.24 is: 15,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.91 : 27,379.41 = 10,888.24 : x
  2. Step 2: Convert to fraction form
    19,839.91/27,379.41 = 10,888.24/x
  3. Step 3: Cross multiply
    19,839.91x = 27,379.41 × 10,888.24
  4. Step 4: Simplify right side
    19,839.91x = 298,113,587.14
  5. Step 5: Solve for x
    x = 298,113,587.14/19,839.91
  6. Step 6: Final answer
    x = 15,025.96

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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.