Home / 26,690.14-40,034.57-8,678.35

Finding the Fourth Proportional to 26,690.14, 40,034.57 and 8,678.35

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Solution

The fourth proportional to 26,690.14, 40,034.57 and 8,678.35 is: 13,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.14 : 40,034.57 = 8,678.35 : x
  2. Step 2: Convert to fraction form
    26,690.14/40,034.57 = 8,678.35/x
  3. Step 3: Cross multiply
    26,690.14x = 40,034.57 × 8,678.35
  4. Step 4: Simplify right side
    26,690.14x = 347,434,010.56
  5. Step 5: Solve for x
    x = 347,434,010.56/26,690.14
  6. Step 6: Final answer
    x = 13,017.32

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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.