Home / 27,278.68-40,899.72-22,020.16

Finding the Fourth Proportional to 27,278.68, 40,899.72 and 22,020.16

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Solution

The fourth proportional to 27,278.68, 40,899.72 and 22,020.16 is: 33,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.68 : 40,899.72 = 22,020.16 : x
  2. Step 2: Convert to fraction form
    27,278.68/40,899.72 = 22,020.16/x
  3. Step 3: Cross multiply
    27,278.68x = 40,899.72 × 22,020.16
  4. Step 4: Simplify right side
    27,278.68x = 900,618,378.36
  5. Step 5: Solve for x
    x = 900,618,378.36/27,278.68
  6. Step 6: Final answer
    x = 33,015.47

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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.