Home / 27,408.84-41,110.20-7,688.16

Finding the Fourth Proportional to 27,408.84, 41,110.20 and 7,688.16

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Solution

The fourth proportional to 27,408.84, 41,110.20 and 7,688.16 is: 11,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.84 : 41,110.20 = 7,688.16 : x
  2. Step 2: Convert to fraction form
    27,408.84/41,110.20 = 7,688.16/x
  3. Step 3: Cross multiply
    27,408.84x = 41,110.20 × 7,688.16
  4. Step 4: Simplify right side
    27,408.84x = 316,061,795.23
  5. Step 5: Solve for x
    x = 316,061,795.23/27,408.84
  6. Step 6: Final answer
    x = 11,531.38

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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.