Home / 27,402.34-41,108.58-8,687.09

Finding the Fourth Proportional to 27,402.34, 41,108.58 and 8,687.09

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Solution

The fourth proportional to 27,402.34, 41,108.58 and 8,687.09 is: 13,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.34 : 41,108.58 = 8,687.09 : x
  2. Step 2: Convert to fraction form
    27,402.34/41,108.58 = 8,687.09/x
  3. Step 3: Cross multiply
    27,402.34x = 41,108.58 × 8,687.09
  4. Step 4: Simplify right side
    27,402.34x = 357,113,711.31
  5. Step 5: Solve for x
    x = 357,113,711.31/27,402.34
  6. Step 6: Final answer
    x = 13,032.24

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1.5x scale

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.