Home / 28,872.09-43,312.68-12,232.17

Finding the Fourth Proportional to 28,872.09, 43,312.68 and 12,232.17

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Solution

The fourth proportional to 28,872.09, 43,312.68 and 12,232.17 is: 18,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.09 : 43,312.68 = 12,232.17 : x
  2. Step 2: Convert to fraction form
    28,872.09/43,312.68 = 12,232.17/x
  3. Step 3: Cross multiply
    28,872.09x = 43,312.68 × 12,232.17
  4. Step 4: Simplify right side
    28,872.09x = 529,808,064.92
  5. Step 5: Solve for x
    x = 529,808,064.92/28,872.09
  6. Step 6: Final answer
    x = 18,350.18

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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.