Home / 28,890.97-43,276.76-17,008.13

Finding the Fourth Proportional to 28,890.97, 43,276.76 and 17,008.13

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Solution

The fourth proportional to 28,890.97, 43,276.76 and 17,008.13 is: 25,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.97 : 43,276.76 = 17,008.13 : x
  2. Step 2: Convert to fraction form
    28,890.97/43,276.76 = 17,008.13/x
  3. Step 3: Cross multiply
    28,890.97x = 43,276.76 × 17,008.13
  4. Step 4: Simplify right side
    28,890.97x = 736,056,760.06
  5. Step 5: Solve for x
    x = 736,056,760.06/28,890.97
  6. Step 6: Final answer
    x = 25,477.05

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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.