Home / 28,884.28-43,310.76-13,288

Finding the Fourth Proportional to 28,884.28, 43,310.76 and 13,288

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Solution

The fourth proportional to 28,884.28, 43,310.76 and 13,288 is: 19,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.28 : 43,310.76 = 13,288 : x
  2. Step 2: Convert to fraction form
    28,884.28/43,310.76 = 13,288/x
  3. Step 3: Cross multiply
    28,884.28x = 43,310.76 × 13,288
  4. Step 4: Simplify right side
    28,884.28x = 575,513,378.88
  5. Step 5: Solve for x
    x = 575,513,378.88/28,884.28
  6. Step 6: Final answer
    x = 19,924.80

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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.