Home / 26,789.90-40,185.16-12,751.24

Finding the Fourth Proportional to 26,789.90, 40,185.16 and 12,751.24

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Solution

The fourth proportional to 26,789.90, 40,185.16 and 12,751.24 is: 19,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.90 : 40,185.16 = 12,751.24 : x
  2. Step 2: Convert to fraction form
    26,789.90/40,185.16 = 12,751.24/x
  3. Step 3: Cross multiply
    26,789.90x = 40,185.16 × 12,751.24
  4. Step 4: Simplify right side
    26,789.90x = 512,410,619.60
  5. Step 5: Solve for x
    x = 512,410,619.60/26,789.90
  6. Step 6: Final answer
    x = 19,127.01

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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.