Home / 21,928.25-32,897.58-7,137.17

Finding the Fourth Proportional to 21,928.25, 32,897.58 and 7,137.17

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Solution

The fourth proportional to 21,928.25, 32,897.58 and 7,137.17 is: 10,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.25 : 32,897.58 = 7,137.17 : x
  2. Step 2: Convert to fraction form
    21,928.25/32,897.58 = 7,137.17/x
  3. Step 3: Cross multiply
    21,928.25x = 32,897.58 × 7,137.17
  4. Step 4: Simplify right side
    21,928.25x = 234,795,553.16
  5. Step 5: Solve for x
    x = 234,795,553.16/21,928.25
  6. Step 6: Final answer
    x = 10,707.44

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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.