Home / 42,727.88-64,093.95-17,765.30

Finding the Fourth Proportional to 42,727.88, 64,093.95 and 17,765.30

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Solution

The fourth proportional to 42,727.88, 64,093.95 and 17,765.30 is: 26,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,727.88 : 64,093.95 = 17,765.30 : x
  2. Step 2: Convert to fraction form
    42,727.88/64,093.95 = 17,765.30/x
  3. Step 3: Cross multiply
    42,727.88x = 64,093.95 × 17,765.30
  4. Step 4: Simplify right side
    42,727.88x = 1,138,648,249.94
  5. Step 5: Solve for x
    x = 1,138,648,249.94/42,727.88
  6. Step 6: Final answer
    x = 26,648.84

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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.