Home / 28,254.21-42,329.62-13,233.75

Finding the Fourth Proportional to 28,254.21, 42,329.62 and 13,233.75

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Solution

The fourth proportional to 28,254.21, 42,329.62 and 13,233.75 is: 19,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.21 : 42,329.62 = 13,233.75 : x
  2. Step 2: Convert to fraction form
    28,254.21/42,329.62 = 13,233.75/x
  3. Step 3: Cross multiply
    28,254.21x = 42,329.62 × 13,233.75
  4. Step 4: Simplify right side
    28,254.21x = 560,179,608.68
  5. Step 5: Solve for x
    x = 560,179,608.68/28,254.21
  6. Step 6: Final answer
    x = 19,826.41

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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.