Home / 20,030.44-27,641.53-11,077.75

Finding the Fourth Proportional to 20,030.44, 27,641.53 and 11,077.75

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Solution

The fourth proportional to 20,030.44, 27,641.53 and 11,077.75 is: 15,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.44 : 27,641.53 = 11,077.75 : x
  2. Step 2: Convert to fraction form
    20,030.44/27,641.53 = 11,077.75/x
  3. Step 3: Cross multiply
    20,030.44x = 27,641.53 × 11,077.75
  4. Step 4: Simplify right side
    20,030.44x = 306,205,793.06
  5. Step 5: Solve for x
    x = 306,205,793.06/20,030.44
  6. Step 6: Final answer
    x = 15,287.03

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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.