Home / 28,525.31-39,360.15-16,589.15

Finding the Fourth Proportional to 28,525.31, 39,360.15 and 16,589.15

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Solution

The fourth proportional to 28,525.31, 39,360.15 and 16,589.15 is: 22,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.31 : 39,360.15 = 16,589.15 : x
  2. Step 2: Convert to fraction form
    28,525.31/39,360.15 = 16,589.15/x
  3. Step 3: Cross multiply
    28,525.31x = 39,360.15 × 16,589.15
  4. Step 4: Simplify right side
    28,525.31x = 652,951,235.57
  5. Step 5: Solve for x
    x = 652,951,235.57/28,525.31
  6. Step 6: Final answer
    x = 22,890.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.