Home / 57,868.29-86,816.21-18,425.34

Finding the Fourth Proportional to 57,868.29, 86,816.21 and 18,425.34

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Solution

The fourth proportional to 57,868.29, 86,816.21 and 18,425.34 is: 27,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.29 : 86,816.21 = 18,425.34 : x
  2. Step 2: Convert to fraction form
    57,868.29/86,816.21 = 18,425.34/x
  3. Step 3: Cross multiply
    57,868.29x = 86,816.21 × 18,425.34
  4. Step 4: Simplify right side
    57,868.29x = 1,599,618,094.63
  5. Step 5: Solve for x
    x = 1,599,618,094.63/57,868.29
  6. Step 6: Final answer
    x = 27,642.39

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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.