Home / 20,042.70-27,655.74-11,973.84

Finding the Fourth Proportional to 20,042.70, 27,655.74 and 11,973.84

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Solution

The fourth proportional to 20,042.70, 27,655.74 and 11,973.84 is: 16,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.70 : 27,655.74 = 11,973.84 : x
  2. Step 2: Convert to fraction form
    20,042.70/27,655.74 = 11,973.84/x
  3. Step 3: Cross multiply
    20,042.70x = 27,655.74 × 11,973.84
  4. Step 4: Simplify right side
    20,042.70x = 331,145,405.84
  5. Step 5: Solve for x
    x = 331,145,405.84/20,042.70
  6. Step 6: Final answer
    x = 16,522.00

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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.