Home / 26,186.60-39,271.74-8,652.20

Finding the Fourth Proportional to 26,186.60, 39,271.74 and 8,652.20

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Solution

The fourth proportional to 26,186.60, 39,271.74 and 8,652.20 is: 12,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.60 : 39,271.74 = 8,652.20 : x
  2. Step 2: Convert to fraction form
    26,186.60/39,271.74 = 8,652.20/x
  3. Step 3: Cross multiply
    26,186.60x = 39,271.74 × 8,652.20
  4. Step 4: Simplify right side
    26,186.60x = 339,786,948.83
  5. Step 5: Solve for x
    x = 339,786,948.83/26,186.60
  6. Step 6: Final answer
    x = 12,975.60

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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.