Home / 26,653.76-40,006.56-12,812.48

Finding the Fourth Proportional to 26,653.76, 40,006.56 and 12,812.48

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Solution

The fourth proportional to 26,653.76, 40,006.56 and 12,812.48 is: 19,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.76 : 40,006.56 = 12,812.48 : x
  2. Step 2: Convert to fraction form
    26,653.76/40,006.56 = 12,812.48/x
  3. Step 3: Cross multiply
    26,653.76x = 40,006.56 × 12,812.48
  4. Step 4: Simplify right side
    26,653.76x = 512,583,249.87
  5. Step 5: Solve for x
    x = 512,583,249.87/26,653.76
  6. Step 6: Final answer
    x = 19,231.18

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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.