Home / 42,697.23-64,069.11-28,668.96

Finding the Fourth Proportional to 42,697.23, 64,069.11 and 28,668.96

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Solution

The fourth proportional to 42,697.23, 64,069.11 and 28,668.96 is: 43,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.23 : 64,069.11 = 28,668.96 : x
  2. Step 2: Convert to fraction form
    42,697.23/64,069.11 = 28,668.96/x
  3. Step 3: Cross multiply
    42,697.23x = 64,069.11 × 28,668.96
  4. Step 4: Simplify right side
    42,697.23x = 1,836,794,751.83
  5. Step 5: Solve for x
    x = 1,836,794,751.83/42,697.23
  6. Step 6: Final answer
    x = 43,019.06

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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.