Home / 27,878.12-41,816.65-11,237.78

Finding the Fourth Proportional to 27,878.12, 41,816.65 and 11,237.78

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Solution

The fourth proportional to 27,878.12, 41,816.65 and 11,237.78 is: 16,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.12 : 41,816.65 = 11,237.78 : x
  2. Step 2: Convert to fraction form
    27,878.12/41,816.65 = 11,237.78/x
  3. Step 3: Cross multiply
    27,878.12x = 41,816.65 × 11,237.78
  4. Step 4: Simplify right side
    27,878.12x = 469,926,256.85
  5. Step 5: Solve for x
    x = 469,926,256.85/27,878.12
  6. Step 6: Final answer
    x = 16,856.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.