Home / 28,057.66-38,684.56-17,969.52

Finding the Fourth Proportional to 28,057.66, 38,684.56 and 17,969.52

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Solution

The fourth proportional to 28,057.66, 38,684.56 and 17,969.52 is: 24,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.66 : 38,684.56 = 17,969.52 : x
  2. Step 2: Convert to fraction form
    28,057.66/38,684.56 = 17,969.52/x
  3. Step 3: Cross multiply
    28,057.66x = 38,684.56 × 17,969.52
  4. Step 4: Simplify right side
    28,057.66x = 695,142,974.61
  5. Step 5: Solve for x
    x = 695,142,974.61/28,057.66
  6. Step 6: Final answer
    x = 24,775.51

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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.