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Finding the Fourth Proportional to 43,594.67, 65,409.83 and 15,520.07

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Solution

The fourth proportional to 43,594.67, 65,409.83 and 15,520.07 is: 23,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,594.67 : 65,409.83 = 15,520.07 : x
  2. Step 2: Convert to fraction form
    43,594.67/65,409.83 = 15,520.07/x
  3. Step 3: Cross multiply
    43,594.67x = 65,409.83 × 15,520.07
  4. Step 4: Simplify right side
    43,594.67x = 1,015,165,284.41
  5. Step 5: Solve for x
    x = 1,015,165,284.41/43,594.67
  6. Step 6: Final answer
    x = 23,286.45

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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.