Home / 21,928.18-32,892.57-7,137.17

Finding the Fourth Proportional to 21,928.18, 32,892.57 and 7,137.17

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Solution

The fourth proportional to 21,928.18, 32,892.57 and 7,137.17 is: 10,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.18 : 32,892.57 = 7,137.17 : x
  2. Step 2: Convert to fraction form
    21,928.18/32,892.57 = 7,137.17/x
  3. Step 3: Cross multiply
    21,928.18x = 32,892.57 × 7,137.17
  4. Step 4: Simplify right side
    21,928.18x = 234,759,863.83
  5. Step 5: Solve for x
    x = 234,759,863.83/21,928.18
  6. Step 6: Final answer
    x = 10,705.86

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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.