Home / 20,053.42-27,673.75-12,992.15

Finding the Fourth Proportional to 20,053.42, 27,673.75 and 12,992.15

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Solution

The fourth proportional to 20,053.42, 27,673.75 and 12,992.15 is: 17,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.42 : 27,673.75 = 12,992.15 : x
  2. Step 2: Convert to fraction form
    20,053.42/27,673.75 = 12,992.15/x
  3. Step 3: Cross multiply
    20,053.42x = 27,673.75 × 12,992.15
  4. Step 4: Simplify right side
    20,053.42x = 359,541,440.82
  5. Step 5: Solve for x
    x = 359,541,440.82/20,053.42
  6. Step 6: Final answer
    x = 17,929.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.