Home / 28,097.79-42,145.89-11,453.70

Finding the Fourth Proportional to 28,097.79, 42,145.89 and 11,453.70

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Solution

The fourth proportional to 28,097.79, 42,145.89 and 11,453.70 is: 17,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.79 : 42,145.89 = 11,453.70 : x
  2. Step 2: Convert to fraction form
    28,097.79/42,145.89 = 11,453.70/x
  3. Step 3: Cross multiply
    28,097.79x = 42,145.89 × 11,453.70
  4. Step 4: Simplify right side
    28,097.79x = 482,726,380.29
  5. Step 5: Solve for x
    x = 482,726,380.29/28,097.79
  6. Step 6: Final answer
    x = 17,180.23

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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.