Home / 21,760.08-30,029.32-11,824.08

Finding the Fourth Proportional to 21,760.08, 30,029.32 and 11,824.08

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Solution

The fourth proportional to 21,760.08, 30,029.32 and 11,824.08 is: 16,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.08 : 30,029.32 = 11,824.08 : x
  2. Step 2: Convert to fraction form
    21,760.08/30,029.32 = 11,824.08/x
  3. Step 3: Cross multiply
    21,760.08x = 30,029.32 × 11,824.08
  4. Step 4: Simplify right side
    21,760.08x = 355,069,082.03
  5. Step 5: Solve for x
    x = 355,069,082.03/21,760.08
  6. Step 6: Final answer
    x = 16,317.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.