Home / 25,021.16-34,489.50-19,707.56

Finding the Fourth Proportional to 25,021.16, 34,489.50 and 19,707.56

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Solution

The fourth proportional to 25,021.16, 34,489.50 and 19,707.56 is: 27,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.16 : 34,489.50 = 19,707.56 : x
  2. Step 2: Convert to fraction form
    25,021.16/34,489.50 = 19,707.56/x
  3. Step 3: Cross multiply
    25,021.16x = 34,489.50 × 19,707.56
  4. Step 4: Simplify right side
    25,021.16x = 679,703,890.62
  5. Step 5: Solve for x
    x = 679,703,890.62/25,021.16
  6. Step 6: Final answer
    x = 27,165.16

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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.