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Finding the Fourth Proportional to 25,593.76, 38,405.22 and 8,957.37

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Solution

The fourth proportional to 25,593.76, 38,405.22 and 8,957.37 is: 13,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,593.76 : 38,405.22 = 8,957.37 : x
  2. Step 2: Convert to fraction form
    25,593.76/38,405.22 = 8,957.37/x
  3. Step 3: Cross multiply
    25,593.76x = 38,405.22 × 8,957.37
  4. Step 4: Simplify right side
    25,593.76x = 344,009,765.47
  5. Step 5: Solve for x
    x = 344,009,765.47/25,593.76
  6. Step 6: Final answer
    x = 13,441.16

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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.