Home / 28,720.11-43,080.17-16,246.11

Finding the Fourth Proportional to 28,720.11, 43,080.17 and 16,246.11

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Solution

The fourth proportional to 28,720.11, 43,080.17 and 16,246.11 is: 24,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720.11 : 43,080.17 = 16,246.11 : x
  2. Step 2: Convert to fraction form
    28,720.11/43,080.17 = 16,246.11/x
  3. Step 3: Cross multiply
    28,720.11x = 43,080.17 × 16,246.11
  4. Step 4: Simplify right side
    28,720.11x = 699,885,099.41
  5. Step 5: Solve for x
    x = 699,885,099.41/28,720.11
  6. Step 6: Final answer
    x = 24,369.17

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1.5x scale

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.