Home / 28,717.84-43,061.52-11,170

Finding the Fourth Proportional to 28,717.84, 43,061.52 and 11,170

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Solution

The fourth proportional to 28,717.84, 43,061.52 and 11,170 is: 16,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.84 : 43,061.52 = 11,170 : x
  2. Step 2: Convert to fraction form
    28,717.84/43,061.52 = 11,170/x
  3. Step 3: Cross multiply
    28,717.84x = 43,061.52 × 11,170
  4. Step 4: Simplify right side
    28,717.84x = 480,997,178.40
  5. Step 5: Solve for x
    x = 480,997,178.40/28,717.84
  6. Step 6: Final answer
    x = 16,749.07

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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.