Home / 27,970.88-42,122.96-25,229.12

Finding the Fourth Proportional to 27,970.88, 42,122.96 and 25,229.12

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Solution

The fourth proportional to 27,970.88, 42,122.96 and 25,229.12 is: 37,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.88 : 42,122.96 = 25,229.12 : x
  2. Step 2: Convert to fraction form
    27,970.88/42,122.96 = 25,229.12/x
  3. Step 3: Cross multiply
    27,970.88x = 42,122.96 × 25,229.12
  4. Step 4: Simplify right side
    27,970.88x = 1,062,725,212.60
  5. Step 5: Solve for x
    x = 1,062,725,212.60/27,970.88
  6. Step 6: Final answer
    x = 37,993.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.