Home / 28,514.46-42,745.22-13,528.62

Finding the Fourth Proportional to 28,514.46, 42,745.22 and 13,528.62

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Solution

The fourth proportional to 28,514.46, 42,745.22 and 13,528.62 is: 20,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.46 : 42,745.22 = 13,528.62 : x
  2. Step 2: Convert to fraction form
    28,514.46/42,745.22 = 13,528.62/x
  3. Step 3: Cross multiply
    28,514.46x = 42,745.22 × 13,528.62
  4. Step 4: Simplify right side
    28,514.46x = 578,283,770.55
  5. Step 5: Solve for x
    x = 578,283,770.55/28,514.46
  6. Step 6: Final answer
    x = 20,280.37

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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.