Home / 28,147.59-38,837.61-17,942.52

Finding the Fourth Proportional to 28,147.59, 38,837.61 and 17,942.52

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Solution

The fourth proportional to 28,147.59, 38,837.61 and 17,942.52 is: 24,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.59 : 38,837.61 = 17,942.52 : x
  2. Step 2: Convert to fraction form
    28,147.59/38,837.61 = 17,942.52/x
  3. Step 3: Cross multiply
    28,147.59x = 38,837.61 × 17,942.52
  4. Step 4: Simplify right side
    28,147.59x = 696,844,594.18
  5. Step 5: Solve for x
    x = 696,844,594.18/28,147.59
  6. Step 6: Final answer
    x = 24,756.81

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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.