Home / 28,017.38-38,664.15-16,080.41

Finding the Fourth Proportional to 28,017.38, 38,664.15 and 16,080.41

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Solution

The fourth proportional to 28,017.38, 38,664.15 and 16,080.41 is: 22,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.38 : 38,664.15 = 16,080.41 : x
  2. Step 2: Convert to fraction form
    28,017.38/38,664.15 = 16,080.41/x
  3. Step 3: Cross multiply
    28,017.38x = 38,664.15 × 16,080.41
  4. Step 4: Simplify right side
    28,017.38x = 621,735,384.30
  5. Step 5: Solve for x
    x = 621,735,384.30/28,017.38
  6. Step 6: Final answer
    x = 22,191.06

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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.