Home / 28,221.00-42,326.03-26,816.05

Finding the Fourth Proportional to 28,221.00, 42,326.03 and 26,816.05

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Solution

The fourth proportional to 28,221.00, 42,326.03 and 26,816.05 is: 40,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.00 : 42,326.03 = 26,816.05 : x
  2. Step 2: Convert to fraction form
    28,221.00/42,326.03 = 26,816.05/x
  3. Step 3: Cross multiply
    28,221.00x = 42,326.03 × 26,816.05
  4. Step 4: Simplify right side
    28,221.00x = 1,135,016,802.70
  5. Step 5: Solve for x
    x = 1,135,016,802.70/28,221.00
  6. Step 6: Final answer
    x = 40,218.88

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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.