Home / 21,944.72-32,921.64-9,465.46

Finding the Fourth Proportional to 21,944.72, 32,921.64 and 9,465.46

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Solution

The fourth proportional to 21,944.72, 32,921.64 and 9,465.46 is: 14,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.72 : 32,921.64 = 9,465.46 : x
  2. Step 2: Convert to fraction form
    21,944.72/32,921.64 = 9,465.46/x
  3. Step 3: Cross multiply
    21,944.72x = 32,921.64 × 9,465.46
  4. Step 4: Simplify right side
    21,944.72x = 311,618,384.25
  5. Step 5: Solve for x
    x = 311,618,384.25/21,944.72
  6. Step 6: Final answer
    x = 14,200.15

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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.