Home / 47,615.25-65,709.05-26,397.75

Finding the Fourth Proportional to 47,615.25, 65,709.05 and 26,397.75

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Solution

The fourth proportional to 47,615.25, 65,709.05 and 26,397.75 is: 36,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.25 : 65,709.05 = 26,397.75 : x
  2. Step 2: Convert to fraction form
    47,615.25/65,709.05 = 26,397.75/x
  3. Step 3: Cross multiply
    47,615.25x = 65,709.05 × 26,397.75
  4. Step 4: Simplify right side
    47,615.25x = 1,734,570,942.65
  5. Step 5: Solve for x
    x = 1,734,570,942.65/47,615.25
  6. Step 6: Final answer
    x = 36,428.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.