Home / 19,237.13-28,857.98-18,187.37

Finding the Fourth Proportional to 19,237.13, 28,857.98 and 18,187.37

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Solution

The fourth proportional to 19,237.13, 28,857.98 and 18,187.37 is: 27,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.13 : 28,857.98 = 18,187.37 : x
  2. Step 2: Convert to fraction form
    19,237.13/28,857.98 = 18,187.37/x
  3. Step 3: Cross multiply
    19,237.13x = 28,857.98 × 18,187.37
  4. Step 4: Simplify right side
    19,237.13x = 524,850,615.42
  5. Step 5: Solve for x
    x = 524,850,615.42/19,237.13
  6. Step 6: Final answer
    x = 27,283.21

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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.