Home / 43,087.28-64,647.40-16,810.34

Finding the Fourth Proportional to 43,087.28, 64,647.40 and 16,810.34

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Solution

The fourth proportional to 43,087.28, 64,647.40 and 16,810.34 is: 25,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087.28 : 64,647.40 = 16,810.34 : x
  2. Step 2: Convert to fraction form
    43,087.28/64,647.40 = 16,810.34/x
  3. Step 3: Cross multiply
    43,087.28x = 64,647.40 × 16,810.34
  4. Step 4: Simplify right side
    43,087.28x = 1,086,744,774.12
  5. Step 5: Solve for x
    x = 1,086,744,774.12/43,087.28
  6. Step 6: Final answer
    x = 25,221.94

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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.