Home / 21,935.88-32,903.79-7,144.77

Finding the Fourth Proportional to 21,935.88, 32,903.79 and 7,144.77

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Solution

The fourth proportional to 21,935.88, 32,903.79 and 7,144.77 is: 10,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.88 : 32,903.79 = 7,144.77 : x
  2. Step 2: Convert to fraction form
    21,935.88/32,903.79 = 7,144.77/x
  3. Step 3: Cross multiply
    21,935.88x = 32,903.79 × 7,144.77
  4. Step 4: Simplify right side
    21,935.88x = 235,090,108.27
  5. Step 5: Solve for x
    x = 235,090,108.27/21,935.88
  6. Step 6: Final answer
    x = 10,717.15

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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.