Home / 27,977.79-41,973.47-8,255.91

Finding the Fourth Proportional to 27,977.79, 41,973.47 and 8,255.91

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Solution

The fourth proportional to 27,977.79, 41,973.47 and 8,255.91 is: 12,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.79 : 41,973.47 = 8,255.91 : x
  2. Step 2: Convert to fraction form
    27,977.79/41,973.47 = 8,255.91/x
  3. Step 3: Cross multiply
    27,977.79x = 41,973.47 × 8,255.91
  4. Step 4: Simplify right side
    27,977.79x = 346,529,190.71
  5. Step 5: Solve for x
    x = 346,529,190.71/27,977.79
  6. Step 6: Final answer
    x = 12,385.87

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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.