Home / 27,870.60-41,807.25-11,228.40

Finding the Fourth Proportional to 27,870.60, 41,807.25 and 11,228.40

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Solution

The fourth proportional to 27,870.60, 41,807.25 and 11,228.40 is: 16,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.60 : 41,807.25 = 11,228.40 : x
  2. Step 2: Convert to fraction form
    27,870.60/41,807.25 = 11,228.40/x
  3. Step 3: Cross multiply
    27,870.60x = 41,807.25 × 11,228.40
  4. Step 4: Simplify right side
    27,870.60x = 469,428,525.90
  5. Step 5: Solve for x
    x = 469,428,525.90/27,870.60
  6. Step 6: Final answer
    x = 16,843.14

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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.