Home / 28,197.47-42,296.49-11,338.28

Finding the Fourth Proportional to 28,197.47, 42,296.49 and 11,338.28

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Solution

The fourth proportional to 28,197.47, 42,296.49 and 11,338.28 is: 17,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.47 : 42,296.49 = 11,338.28 : x
  2. Step 2: Convert to fraction form
    28,197.47/42,296.49 = 11,338.28/x
  3. Step 3: Cross multiply
    28,197.47x = 42,296.49 × 11,338.28
  4. Step 4: Simplify right side
    28,197.47x = 479,569,235.15
  5. Step 5: Solve for x
    x = 479,569,235.15/28,197.47
  6. Step 6: Final answer
    x = 17,007.53

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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.