Home / 21,960.45-32,959.04-19,893.74

Finding the Fourth Proportional to 21,960.45, 32,959.04 and 19,893.74

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Solution

The fourth proportional to 21,960.45, 32,959.04 and 19,893.74 is: 29,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.45 : 32,959.04 = 19,893.74 : x
  2. Step 2: Convert to fraction form
    21,960.45/32,959.04 = 19,893.74/x
  3. Step 3: Cross multiply
    21,960.45x = 32,959.04 × 19,893.74
  4. Step 4: Simplify right side
    21,960.45x = 655,678,308.15
  5. Step 5: Solve for x
    x = 655,678,308.15/21,960.45
  6. Step 6: Final answer
    x = 29,857.23

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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.