Home / 28,133.69-42,179.52-17,037.68

Finding the Fourth Proportional to 28,133.69, 42,179.52 and 17,037.68

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Solution

The fourth proportional to 28,133.69, 42,179.52 and 17,037.68 is: 25,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.69 : 42,179.52 = 17,037.68 : x
  2. Step 2: Convert to fraction form
    28,133.69/42,179.52 = 17,037.68/x
  3. Step 3: Cross multiply
    28,133.69x = 42,179.52 × 17,037.68
  4. Step 4: Simplify right side
    28,133.69x = 718,641,164.31
  5. Step 5: Solve for x
    x = 718,641,164.31/28,133.69
  6. Step 6: Final answer
    x = 25,543.79

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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.