Home / 20,228.94-27,929.21-13,062.06

Finding the Fourth Proportional to 20,228.94, 27,929.21 and 13,062.06

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Solution

The fourth proportional to 20,228.94, 27,929.21 and 13,062.06 is: 18,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.94 : 27,929.21 = 13,062.06 : x
  2. Step 2: Convert to fraction form
    20,228.94/27,929.21 = 13,062.06/x
  3. Step 3: Cross multiply
    20,228.94x = 27,929.21 × 13,062.06
  4. Step 4: Simplify right side
    20,228.94x = 364,812,951.46
  5. Step 5: Solve for x
    x = 364,812,951.46/20,228.94
  6. Step 6: Final answer
    x = 18,034.21

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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.