Home / 27,629.70-41,426.10-8,647.91

Finding the Fourth Proportional to 27,629.70, 41,426.10 and 8,647.91

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Solution

The fourth proportional to 27,629.70, 41,426.10 and 8,647.91 is: 12,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.70 : 41,426.10 = 8,647.91 : x
  2. Step 2: Convert to fraction form
    27,629.70/41,426.10 = 8,647.91/x
  3. Step 3: Cross multiply
    27,629.70x = 41,426.10 × 8,647.91
  4. Step 4: Simplify right side
    27,629.70x = 358,248,977.32
  5. Step 5: Solve for x
    x = 358,248,977.32/27,629.70
  6. Step 6: Final answer
    x = 12,966.08

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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.