Home / 28,206.89-42,227.24-20,844.26

Finding the Fourth Proportional to 28,206.89, 42,227.24 and 20,844.26

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Solution

The fourth proportional to 28,206.89, 42,227.24 and 20,844.26 is: 31,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.89 : 42,227.24 = 20,844.26 : x
  2. Step 2: Convert to fraction form
    28,206.89/42,227.24 = 20,844.26/x
  3. Step 3: Cross multiply
    28,206.89x = 42,227.24 × 20,844.26
  4. Step 4: Simplify right side
    28,206.89x = 880,195,569.64
  5. Step 5: Solve for x
    x = 880,195,569.64/28,206.89
  6. Step 6: Final answer
    x = 31,204.98

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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.