Home / 28,984.83-43,405.97-14,145.90

Finding the Fourth Proportional to 28,984.83, 43,405.97 and 14,145.90

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Solution

The fourth proportional to 28,984.83, 43,405.97 and 14,145.90 is: 21,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.83 : 43,405.97 = 14,145.90 : x
  2. Step 2: Convert to fraction form
    28,984.83/43,405.97 = 14,145.90/x
  3. Step 3: Cross multiply
    28,984.83x = 43,405.97 × 14,145.90
  4. Step 4: Simplify right side
    28,984.83x = 614,016,440.29
  5. Step 5: Solve for x
    x = 614,016,440.29/28,984.83
  6. Step 6: Final answer
    x = 21,184.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.