Home / 43,289.74-64,941.10-15,204.84

Finding the Fourth Proportional to 43,289.74, 64,941.10 and 15,204.84

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Solution

The fourth proportional to 43,289.74, 64,941.10 and 15,204.84 is: 22,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.74 : 64,941.10 = 15,204.84 : x
  2. Step 2: Convert to fraction form
    43,289.74/64,941.10 = 15,204.84/x
  3. Step 3: Cross multiply
    43,289.74x = 64,941.10 × 15,204.84
  4. Step 4: Simplify right side
    43,289.74x = 987,419,386.85
  5. Step 5: Solve for x
    x = 987,419,386.85/43,289.74
  6. Step 6: Final answer
    x = 22,809.55

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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.