Home / 23,222.78-32,057.24-15,679.32

Finding the Fourth Proportional to 23,222.78, 32,057.24 and 15,679.32

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Solution

The fourth proportional to 23,222.78, 32,057.24 and 15,679.32 is: 21,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,222.78 : 32,057.24 = 15,679.32 : x
  2. Step 2: Convert to fraction form
    23,222.78/32,057.24 = 15,679.32/x
  3. Step 3: Cross multiply
    23,222.78x = 32,057.24 × 15,679.32
  4. Step 4: Simplify right side
    23,222.78x = 502,635,724.28
  5. Step 5: Solve for x
    x = 502,635,724.28/23,222.78
  6. Step 6: Final answer
    x = 21,644.08

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1.5x scale

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.