Home / 26,673.92-40,012.80-9,145.60

Finding the Fourth Proportional to 26,673.92, 40,012.80 and 9,145.60

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Solution

The fourth proportional to 26,673.92, 40,012.80 and 9,145.60 is: 13,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.92 : 40,012.80 = 9,145.60 : x
  2. Step 2: Convert to fraction form
    26,673.92/40,012.80 = 9,145.60/x
  3. Step 3: Cross multiply
    26,673.92x = 40,012.80 × 9,145.60
  4. Step 4: Simplify right side
    26,673.92x = 365,941,063.68
  5. Step 5: Solve for x
    x = 365,941,063.68/26,673.92
  6. Step 6: Final answer
    x = 13,719.06

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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.