Home / 21,553.20-32,329.68-5,970.40

Finding the Fourth Proportional to 21,553.20, 32,329.68 and 5,970.40

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Solution

The fourth proportional to 21,553.20, 32,329.68 and 5,970.40 is: 8,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.20 : 32,329.68 = 5,970.40 : x
  2. Step 2: Convert to fraction form
    21,553.20/32,329.68 = 5,970.40/x
  3. Step 3: Cross multiply
    21,553.20x = 32,329.68 × 5,970.40
  4. Step 4: Simplify right side
    21,553.20x = 193,021,121.47
  5. Step 5: Solve for x
    x = 193,021,121.47/21,553.20
  6. Step 6: Final answer
    x = 8,955.57

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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.