Home / 27,877.79-41,818.07-11,235.60

Finding the Fourth Proportional to 27,877.79, 41,818.07 and 11,235.60

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Solution

The fourth proportional to 27,877.79, 41,818.07 and 11,235.60 is: 16,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.79 : 41,818.07 = 11,235.60 : x
  2. Step 2: Convert to fraction form
    27,877.79/41,818.07 = 11,235.60/x
  3. Step 3: Cross multiply
    27,877.79x = 41,818.07 × 11,235.60
  4. Step 4: Simplify right side
    27,877.79x = 469,851,107.29
  5. Step 5: Solve for x
    x = 469,851,107.29/27,877.79
  6. Step 6: Final answer
    x = 16,853.96

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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.