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Finding the Fourth Proportional to 23,869.54, 35,809.48 and 9,078.74

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Solution

The fourth proportional to 23,869.54, 35,809.48 and 9,078.74 is: 13,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,869.54 : 35,809.48 = 9,078.74 : x
  2. Step 2: Convert to fraction form
    23,869.54/35,809.48 = 9,078.74/x
  3. Step 3: Cross multiply
    23,869.54x = 35,809.48 × 9,078.74
  4. Step 4: Simplify right side
    23,869.54x = 325,104,958.46
  5. Step 5: Solve for x
    x = 325,104,958.46/23,869.54
  6. Step 6: Final answer
    x = 13,620.08

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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.