Home / 27,281.17-40,907.91-12,477.41

Finding the Fourth Proportional to 27,281.17, 40,907.91 and 12,477.41

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Solution

The fourth proportional to 27,281.17, 40,907.91 and 12,477.41 is: 18,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.17 : 40,907.91 = 12,477.41 : x
  2. Step 2: Convert to fraction form
    27,281.17/40,907.91 = 12,477.41/x
  3. Step 3: Cross multiply
    27,281.17x = 40,907.91 × 12,477.41
  4. Step 4: Simplify right side
    27,281.17x = 510,424,760.97
  5. Step 5: Solve for x
    x = 510,424,760.97/27,281.17
  6. Step 6: Final answer
    x = 18,709.78

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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.