Home / 27,851.96-38,435.18-15,752.23

Finding the Fourth Proportional to 27,851.96, 38,435.18 and 15,752.23

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Solution

The fourth proportional to 27,851.96, 38,435.18 and 15,752.23 is: 21,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.96 : 38,435.18 = 15,752.23 : x
  2. Step 2: Convert to fraction form
    27,851.96/38,435.18 = 15,752.23/x
  3. Step 3: Cross multiply
    27,851.96x = 38,435.18 × 15,752.23
  4. Step 4: Simplify right side
    27,851.96x = 605,439,620.60
  5. Step 5: Solve for x
    x = 605,439,620.60/27,851.96
  6. Step 6: Final answer
    x = 21,737.78

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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.