Home / 27,948.78-38,571.87-16,015.98

Finding the Fourth Proportional to 27,948.78, 38,571.87 and 16,015.98

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Solution

The fourth proportional to 27,948.78, 38,571.87 and 16,015.98 is: 22,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.78 : 38,571.87 = 16,015.98 : x
  2. Step 2: Convert to fraction form
    27,948.78/38,571.87 = 16,015.98/x
  3. Step 3: Cross multiply
    27,948.78x = 38,571.87 × 16,015.98
  4. Step 4: Simplify right side
    27,948.78x = 617,766,298.48
  5. Step 5: Solve for x
    x = 617,766,298.48/27,948.78
  6. Step 6: Final answer
    x = 22,103.52

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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.