Home / 26,169.60-39,262.56-8,651.72

Finding the Fourth Proportional to 26,169.60, 39,262.56 and 8,651.72

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Solution

The fourth proportional to 26,169.60, 39,262.56 and 8,651.72 is: 12,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.60 : 39,262.56 = 8,651.72 : x
  2. Step 2: Convert to fraction form
    26,169.60/39,262.56 = 8,651.72/x
  3. Step 3: Cross multiply
    26,169.60x = 39,262.56 × 8,651.72
  4. Step 4: Simplify right side
    26,169.60x = 339,688,675.60
  5. Step 5: Solve for x
    x = 339,688,675.60/26,169.60
  6. Step 6: Final answer
    x = 12,980.28

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1.5x scale

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.