Home / 26,120.80-39,186.87-8,590.24

Finding the Fourth Proportional to 26,120.80, 39,186.87 and 8,590.24

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Solution

The fourth proportional to 26,120.80, 39,186.87 and 8,590.24 is: 12,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.80 : 39,186.87 = 8,590.24 : x
  2. Step 2: Convert to fraction form
    26,120.80/39,186.87 = 8,590.24/x
  3. Step 3: Cross multiply
    26,120.80x = 39,186.87 × 8,590.24
  4. Step 4: Simplify right side
    26,120.80x = 336,624,618.15
  5. Step 5: Solve for x
    x = 336,624,618.15/26,120.80
  6. Step 6: Final answer
    x = 12,887.22

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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.