Home / 27,908.81-41,870.04-13,875.44

Finding the Fourth Proportional to 27,908.81, 41,870.04 and 13,875.44

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Solution

The fourth proportional to 27,908.81, 41,870.04 and 13,875.44 is: 20,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.81 : 41,870.04 = 13,875.44 : x
  2. Step 2: Convert to fraction form
    27,908.81/41,870.04 = 13,875.44/x
  3. Step 3: Cross multiply
    27,908.81x = 41,870.04 × 13,875.44
  4. Step 4: Simplify right side
    27,908.81x = 580,965,018.47
  5. Step 5: Solve for x
    x = 580,965,018.47/27,908.81
  6. Step 6: Final answer
    x = 20,816.55

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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.