Home / 26,438.63-39,659.02-6,717.69

Finding the Fourth Proportional to 26,438.63, 39,659.02 and 6,717.69

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Solution

The fourth proportional to 26,438.63, 39,659.02 and 6,717.69 is: 10,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.63 : 39,659.02 = 6,717.69 : x
  2. Step 2: Convert to fraction form
    26,438.63/39,659.02 = 6,717.69/x
  3. Step 3: Cross multiply
    26,438.63x = 39,659.02 × 6,717.69
  4. Step 4: Simplify right side
    26,438.63x = 266,416,985.27
  5. Step 5: Solve for x
    x = 266,416,985.27/26,438.63
  6. Step 6: Final answer
    x = 10,076.81

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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.