Home / 28,352.58-39,129.96-16,257.42

Finding the Fourth Proportional to 28,352.58, 39,129.96 and 16,257.42

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Solution

The fourth proportional to 28,352.58, 39,129.96 and 16,257.42 is: 22,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.58 : 39,129.96 = 16,257.42 : x
  2. Step 2: Convert to fraction form
    28,352.58/39,129.96 = 16,257.42/x
  3. Step 3: Cross multiply
    28,352.58x = 39,129.96 × 16,257.42
  4. Step 4: Simplify right side
    28,352.58x = 636,152,194.30
  5. Step 5: Solve for x
    x = 636,152,194.30/28,352.58
  6. Step 6: Final answer
    x = 22,437.19

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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.