Home / 43,290.74-64,942.60-15,205.84

Finding the Fourth Proportional to 43,290.74, 64,942.60 and 15,205.84

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Solution

The fourth proportional to 43,290.74, 64,942.60 and 15,205.84 is: 22,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.74 : 64,942.60 = 15,205.84 : x
  2. Step 2: Convert to fraction form
    43,290.74/64,942.60 = 15,205.84/x
  3. Step 3: Cross multiply
    43,290.74x = 64,942.60 × 15,205.84
  4. Step 4: Simplify right side
    43,290.74x = 987,506,784.78
  5. Step 5: Solve for x
    x = 987,506,784.78/43,290.74
  6. Step 6: Final answer
    x = 22,811.04

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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.