Home / 25,438.01-38,169.29-15,571.94

Finding the Fourth Proportional to 25,438.01, 38,169.29 and 15,571.94

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Solution

The fourth proportional to 25,438.01, 38,169.29 and 15,571.94 is: 23,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.01 : 38,169.29 = 15,571.94 : x
  2. Step 2: Convert to fraction form
    25,438.01/38,169.29 = 15,571.94/x
  3. Step 3: Cross multiply
    25,438.01x = 38,169.29 × 15,571.94
  4. Step 4: Simplify right side
    25,438.01x = 594,369,741.81
  5. Step 5: Solve for x
    x = 594,369,741.81/25,438.01
  6. Step 6: Final answer
    x = 23,365.42

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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.