Home / 38,315.93-57,399.15-21,625.47

Finding the Fourth Proportional to 38,315.93, 57,399.15 and 21,625.47

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Solution

The fourth proportional to 38,315.93, 57,399.15 and 21,625.47 is: 32,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.93 : 57,399.15 = 21,625.47 : x
  2. Step 2: Convert to fraction form
    38,315.93/57,399.15 = 21,625.47/x
  3. Step 3: Cross multiply
    38,315.93x = 57,399.15 × 21,625.47
  4. Step 4: Simplify right side
    38,315.93x = 1,241,283,596.35
  5. Step 5: Solve for x
    x = 1,241,283,596.35/38,315.93
  6. Step 6: Final answer
    x = 32,396.02

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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.