Home / 28,857.60-43,253.57-12,207.24

Finding the Fourth Proportional to 28,857.60, 43,253.57 and 12,207.24

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Solution

The fourth proportional to 28,857.60, 43,253.57 and 12,207.24 is: 18,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.60 : 43,253.57 = 12,207.24 : x
  2. Step 2: Convert to fraction form
    28,857.60/43,253.57 = 12,207.24/x
  3. Step 3: Cross multiply
    28,857.60x = 43,253.57 × 12,207.24
  4. Step 4: Simplify right side
    28,857.60x = 528,006,740.36
  5. Step 5: Solve for x
    x = 528,006,740.36/28,857.60
  6. Step 6: Final answer
    x = 18,296.97

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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.