Home / 18,026.43-27,039.63-13,127.23

Finding the Fourth Proportional to 18,026.43, 27,039.63 and 13,127.23

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Solution

The fourth proportional to 18,026.43, 27,039.63 and 13,127.23 is: 19,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.43 : 27,039.63 = 13,127.23 : x
  2. Step 2: Convert to fraction form
    18,026.43/27,039.63 = 13,127.23/x
  3. Step 3: Cross multiply
    18,026.43x = 27,039.63 × 13,127.23
  4. Step 4: Simplify right side
    18,026.43x = 354,955,442.12
  5. Step 5: Solve for x
    x = 354,955,442.12/18,026.43
  6. Step 6: Final answer
    x = 19,690.83

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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.