Home / 57,910-86,865.36-16,357.36

Finding the Fourth Proportional to 57,910, 86,865.36 and 16,357.36

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Solution

The fourth proportional to 57,910, 86,865.36 and 16,357.36 is: 24,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910 : 86,865.36 = 16,357.36 : x
  2. Step 2: Convert to fraction form
    57,910/86,865.36 = 16,357.36/x
  3. Step 3: Cross multiply
    57,910x = 86,865.36 × 16,357.36
  4. Step 4: Simplify right side
    57,910x = 1,420,887,965.05
  5. Step 5: Solve for x
    x = 1,420,887,965.05/57,910
  6. Step 6: Final answer
    x = 24,536.14

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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.