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Finding the Fourth Proportional to 25,168.37, 37,781.70 and 13,504.37

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Solution

The fourth proportional to 25,168.37, 37,781.70 and 13,504.37 is: 20,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.37 : 37,781.70 = 13,504.37 : x
  2. Step 2: Convert to fraction form
    25,168.37/37,781.70 = 13,504.37/x
  3. Step 3: Cross multiply
    25,168.37x = 37,781.70 × 13,504.37
  4. Step 4: Simplify right side
    25,168.37x = 510,217,867.12
  5. Step 5: Solve for x
    x = 510,217,867.12/25,168.37
  6. Step 6: Final answer
    x = 20,272.19

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1.5x scale

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.