Home / 26,659.40-39,989.10-26,270.60

Finding the Fourth Proportional to 26,659.40, 39,989.10 and 26,270.60

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Solution

The fourth proportional to 26,659.40, 39,989.10 and 26,270.60 is: 39,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.40 : 39,989.10 = 26,270.60 : x
  2. Step 2: Convert to fraction form
    26,659.40/39,989.10 = 26,270.60/x
  3. Step 3: Cross multiply
    26,659.40x = 39,989.10 × 26,270.60
  4. Step 4: Simplify right side
    26,659.40x = 1,050,537,650.46
  5. Step 5: Solve for x
    x = 1,050,537,650.46/26,659.40
  6. Step 6: Final answer
    x = 39,405.90

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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.