Home / 28,789.05-43,180.74-10,065.63

Finding the Fourth Proportional to 28,789.05, 43,180.74 and 10,065.63

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Solution

The fourth proportional to 28,789.05, 43,180.74 and 10,065.63 is: 15,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.05 : 43,180.74 = 10,065.63 : x
  2. Step 2: Convert to fraction form
    28,789.05/43,180.74 = 10,065.63/x
  3. Step 3: Cross multiply
    28,789.05x = 43,180.74 × 10,065.63
  4. Step 4: Simplify right side
    28,789.05x = 434,641,351.97
  5. Step 5: Solve for x
    x = 434,641,351.97/28,789.05
  6. Step 6: Final answer
    x = 15,097.45

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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.