Home / 20,043.40-27,651.06-12,080.92

Finding the Fourth Proportional to 20,043.40, 27,651.06 and 12,080.92

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Solution

The fourth proportional to 20,043.40, 27,651.06 and 12,080.92 is: 16,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.40 : 27,651.06 = 12,080.92 : x
  2. Step 2: Convert to fraction form
    20,043.40/27,651.06 = 12,080.92/x
  3. Step 3: Cross multiply
    20,043.40x = 27,651.06 × 12,080.92
  4. Step 4: Simplify right side
    20,043.40x = 334,050,243.78
  5. Step 5: Solve for x
    x = 334,050,243.78/20,043.40
  6. Step 6: Final answer
    x = 16,666.35

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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.