Home / 25,336.53-38,021.12-13,657.89

Finding the Fourth Proportional to 25,336.53, 38,021.12 and 13,657.89

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Solution

The fourth proportional to 25,336.53, 38,021.12 and 13,657.89 is: 20,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.53 : 38,021.12 = 13,657.89 : x
  2. Step 2: Convert to fraction form
    25,336.53/38,021.12 = 13,657.89/x
  3. Step 3: Cross multiply
    25,336.53x = 38,021.12 × 13,657.89
  4. Step 4: Simplify right side
    25,336.53x = 519,288,206.35
  5. Step 5: Solve for x
    x = 519,288,206.35/25,336.53
  6. Step 6: Final answer
    x = 20,495.63

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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.