Home / 28,999.68-40,017.66-17,060.70

Finding the Fourth Proportional to 28,999.68, 40,017.66 and 17,060.70

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Solution

The fourth proportional to 28,999.68, 40,017.66 and 17,060.70 is: 23,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.68 : 40,017.66 = 17,060.70 : x
  2. Step 2: Convert to fraction form
    28,999.68/40,017.66 = 17,060.70/x
  3. Step 3: Cross multiply
    28,999.68x = 40,017.66 × 17,060.70
  4. Step 4: Simplify right side
    28,999.68x = 682,729,378.05
  5. Step 5: Solve for x
    x = 682,729,378.05/28,999.68
  6. Step 6: Final answer
    x = 23,542.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.