Home / 42,798.73-64,163.31-17,857.36

Finding the Fourth Proportional to 42,798.73, 64,163.31 and 17,857.36

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Solution

The fourth proportional to 42,798.73, 64,163.31 and 17,857.36 is: 26,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,798.73 : 64,163.31 = 17,857.36 : x
  2. Step 2: Convert to fraction form
    42,798.73/64,163.31 = 17,857.36/x
  3. Step 3: Cross multiply
    42,798.73x = 64,163.31 × 17,857.36
  4. Step 4: Simplify right side
    42,798.73x = 1,145,787,325.46
  5. Step 5: Solve for x
    x = 1,145,787,325.46/42,798.73
  6. Step 6: Final answer
    x = 26,771.53

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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.