Home / 25,771.23-38,671.71-13,925.03

Finding the Fourth Proportional to 25,771.23, 38,671.71 and 13,925.03

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Solution

The fourth proportional to 25,771.23, 38,671.71 and 13,925.03 is: 20,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.23 : 38,671.71 = 13,925.03 : x
  2. Step 2: Convert to fraction form
    25,771.23/38,671.71 = 13,925.03/x
  3. Step 3: Cross multiply
    25,771.23x = 38,671.71 × 13,925.03
  4. Step 4: Simplify right side
    25,771.23x = 538,504,818.58
  5. Step 5: Solve for x
    x = 538,504,818.58/25,771.23
  6. Step 6: Final answer
    x = 20,895.58

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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.