Home / 22,447.84-30,981.60-17,132.56

Finding the Fourth Proportional to 22,447.84, 30,981.60 and 17,132.56

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Solution

The fourth proportional to 22,447.84, 30,981.60 and 17,132.56 is: 23,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.84 : 30,981.60 = 17,132.56 : x
  2. Step 2: Convert to fraction form
    22,447.84/30,981.60 = 17,132.56/x
  3. Step 3: Cross multiply
    22,447.84x = 30,981.60 × 17,132.56
  4. Step 4: Simplify right side
    22,447.84x = 530,794,120.90
  5. Step 5: Solve for x
    x = 530,794,120.90/22,447.84
  6. Step 6: Final answer
    x = 23,645.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.