Home / 25,550.25-38,314.43-8,905.35

Finding the Fourth Proportional to 25,550.25, 38,314.43 and 8,905.35

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Solution

The fourth proportional to 25,550.25, 38,314.43 and 8,905.35 is: 13,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.25 : 38,314.43 = 8,905.35 : x
  2. Step 2: Convert to fraction form
    25,550.25/38,314.43 = 8,905.35/x
  3. Step 3: Cross multiply
    25,550.25x = 38,314.43 × 8,905.35
  4. Step 4: Simplify right side
    25,550.25x = 341,203,541.75
  5. Step 5: Solve for x
    x = 341,203,541.75/25,550.25
  6. Step 6: Final answer
    x = 13,354.22

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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.