Home / 26,405.02-39,600.60-9,769.80

Finding the Fourth Proportional to 26,405.02, 39,600.60 and 9,769.80

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Solution

The fourth proportional to 26,405.02, 39,600.60 and 9,769.80 is: 14,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.02 : 39,600.60 = 9,769.80 : x
  2. Step 2: Convert to fraction form
    26,405.02/39,600.60 = 9,769.80/x
  3. Step 3: Cross multiply
    26,405.02x = 39,600.60 × 9,769.80
  4. Step 4: Simplify right side
    26,405.02x = 386,889,941.88
  5. Step 5: Solve for x
    x = 386,889,941.88/26,405.02
  6. Step 6: Final answer
    x = 14,652.14

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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.