Home / 20,029.74-27,641.91-11,077.25

Finding the Fourth Proportional to 20,029.74, 27,641.91 and 11,077.25

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Solution

The fourth proportional to 20,029.74, 27,641.91 and 11,077.25 is: 15,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.74 : 27,641.91 = 11,077.25 : x
  2. Step 2: Convert to fraction form
    20,029.74/27,641.91 = 11,077.25/x
  3. Step 3: Cross multiply
    20,029.74x = 27,641.91 × 11,077.25
  4. Step 4: Simplify right side
    20,029.74x = 306,196,153.95
  5. Step 5: Solve for x
    x = 306,196,153.95/20,029.74
  6. Step 6: Final answer
    x = 15,287.08

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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.