Home / 21,928.68-32,893.32-7,137.67

Finding the Fourth Proportional to 21,928.68, 32,893.32 and 7,137.67

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Solution

The fourth proportional to 21,928.68, 32,893.32 and 7,137.67 is: 10,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.68 : 32,893.32 = 7,137.67 : x
  2. Step 2: Convert to fraction form
    21,928.68/32,893.32 = 7,137.67/x
  3. Step 3: Cross multiply
    21,928.68x = 32,893.32 × 7,137.67
  4. Step 4: Simplify right side
    21,928.68x = 234,781,663.36
  5. Step 5: Solve for x
    x = 234,781,663.36/21,928.68
  6. Step 6: Final answer
    x = 10,706.60

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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.