Home / 26,948.88-37,191.42-15,621.30

Finding the Fourth Proportional to 26,948.88, 37,191.42 and 15,621.30

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Solution

The fourth proportional to 26,948.88, 37,191.42 and 15,621.30 is: 21,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.88 : 37,191.42 = 15,621.30 : x
  2. Step 2: Convert to fraction form
    26,948.88/37,191.42 = 15,621.30/x
  3. Step 3: Cross multiply
    26,948.88x = 37,191.42 × 15,621.30
  4. Step 4: Simplify right side
    26,948.88x = 580,978,329.25
  5. Step 5: Solve for x
    x = 580,978,329.25/26,948.88
  6. Step 6: Final answer
    x = 21,558.53

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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.