Home / 25,830.28-38,693.82-19,833.16

Finding the Fourth Proportional to 25,830.28, 38,693.82 and 19,833.16

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Solution

The fourth proportional to 25,830.28, 38,693.82 and 19,833.16 is: 29,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.28 : 38,693.82 = 19,833.16 : x
  2. Step 2: Convert to fraction form
    25,830.28/38,693.82 = 19,833.16/x
  3. Step 3: Cross multiply
    25,830.28x = 38,693.82 × 19,833.16
  4. Step 4: Simplify right side
    25,830.28x = 767,420,723.07
  5. Step 5: Solve for x
    x = 767,420,723.07/25,830.28
  6. Step 6: Final answer
    x = 29,710.12

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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.