Home / 28,926.09-43,319.09-20,016.45

Finding the Fourth Proportional to 28,926.09, 43,319.09 and 20,016.45

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Solution

The fourth proportional to 28,926.09, 43,319.09 and 20,016.45 is: 29,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.09 : 43,319.09 = 20,016.45 : x
  2. Step 2: Convert to fraction form
    28,926.09/43,319.09 = 20,016.45/x
  3. Step 3: Cross multiply
    28,926.09x = 43,319.09 × 20,016.45
  4. Step 4: Simplify right side
    28,926.09x = 867,094,182.44
  5. Step 5: Solve for x
    x = 867,094,182.44/28,926.09
  6. Step 6: Final answer
    x = 29,976.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.