Home / 22,987.99-31,729.49-13,562.83

Finding the Fourth Proportional to 22,987.99, 31,729.49 and 13,562.83

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Solution

The fourth proportional to 22,987.99, 31,729.49 and 13,562.83 is: 18,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.99 : 31,729.49 = 13,562.83 : x
  2. Step 2: Convert to fraction form
    22,987.99/31,729.49 = 13,562.83/x
  3. Step 3: Cross multiply
    22,987.99x = 31,729.49 × 13,562.83
  4. Step 4: Simplify right side
    22,987.99x = 430,341,678.86
  5. Step 5: Solve for x
    x = 430,341,678.86/22,987.99
  6. Step 6: Final answer
    x = 18,720.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.