Home / 28,327.88-42,486.06-26,922.80

Finding the Fourth Proportional to 28,327.88, 42,486.06 and 26,922.80

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Solution

The fourth proportional to 28,327.88, 42,486.06 and 26,922.80 is: 40,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.88 : 42,486.06 = 26,922.80 : x
  2. Step 2: Convert to fraction form
    28,327.88/42,486.06 = 26,922.80/x
  3. Step 3: Cross multiply
    28,327.88x = 42,486.06 × 26,922.80
  4. Step 4: Simplify right side
    28,327.88x = 1,143,843,696.17
  5. Step 5: Solve for x
    x = 1,143,843,696.17/28,327.88
  6. Step 6: Final answer
    x = 40,378.73

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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.