Home / 28,850.85-43,276.28-13,298.85

Finding the Fourth Proportional to 28,850.85, 43,276.28 and 13,298.85

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Solution

The fourth proportional to 28,850.85, 43,276.28 and 13,298.85 is: 19,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.85 : 43,276.28 = 13,298.85 : x
  2. Step 2: Convert to fraction form
    28,850.85/43,276.28 = 13,298.85/x
  3. Step 3: Cross multiply
    28,850.85x = 43,276.28 × 13,298.85
  4. Step 4: Simplify right side
    28,850.85x = 575,524,689.78
  5. Step 5: Solve for x
    x = 575,524,689.78/28,850.85
  6. Step 6: Final answer
    x = 19,948.28

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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.