Home / 65,877.86-98,830.46-26,438.09

Finding the Fourth Proportional to 65,877.86, 98,830.46 and 26,438.09

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Solution

The fourth proportional to 65,877.86, 98,830.46 and 26,438.09 is: 39,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,877.86 : 98,830.46 = 26,438.09 : x
  2. Step 2: Convert to fraction form
    65,877.86/98,830.46 = 26,438.09/x
  3. Step 3: Cross multiply
    65,877.86x = 98,830.46 × 26,438.09
  4. Step 4: Simplify right side
    65,877.86x = 2,612,888,168.16
  5. Step 5: Solve for x
    x = 2,612,888,168.16/65,877.86
  6. Step 6: Final answer
    x = 39,662.61

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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.