Home / 42,224.64-63,354-15,936.96

Finding the Fourth Proportional to 42,224.64, 63,354 and 15,936.96

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Solution

The fourth proportional to 42,224.64, 63,354 and 15,936.96 is: 23,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,224.64 : 63,354 = 15,936.96 : x
  2. Step 2: Convert to fraction form
    42,224.64/63,354 = 15,936.96/x
  3. Step 3: Cross multiply
    42,224.64x = 63,354 × 15,936.96
  4. Step 4: Simplify right side
    42,224.64x = 1,009,670,163.84
  5. Step 5: Solve for x
    x = 1,009,670,163.84/42,224.64
  6. Step 6: Final answer
    x = 23,911.87

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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.