Home / 28,601.97-39,426.96-20,080.18

Finding the Fourth Proportional to 28,601.97, 39,426.96 and 20,080.18

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Solution

The fourth proportional to 28,601.97, 39,426.96 and 20,080.18 is: 27,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.97 : 39,426.96 = 20,080.18 : x
  2. Step 2: Convert to fraction form
    28,601.97/39,426.96 = 20,080.18/x
  3. Step 3: Cross multiply
    28,601.97x = 39,426.96 × 20,080.18
  4. Step 4: Simplify right side
    28,601.97x = 791,700,602.42
  5. Step 5: Solve for x
    x = 791,700,602.42/28,601.97
  6. Step 6: Final answer
    x = 27,679.94

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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.