Home / 26,760.36-40,139.66-12,727.08

Finding the Fourth Proportional to 26,760.36, 40,139.66 and 12,727.08

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Solution

The fourth proportional to 26,760.36, 40,139.66 and 12,727.08 is: 19,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.36 : 40,139.66 = 12,727.08 : x
  2. Step 2: Convert to fraction form
    26,760.36/40,139.66 = 12,727.08/x
  3. Step 3: Cross multiply
    26,760.36x = 40,139.66 × 12,727.08
  4. Step 4: Simplify right side
    26,760.36x = 510,860,663.99
  5. Step 5: Solve for x
    x = 510,860,663.99/26,760.36
  6. Step 6: Final answer
    x = 19,090.20

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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.