Home / 28,857.34-43,253.20-12,206.98

Finding the Fourth Proportional to 28,857.34, 43,253.20 and 12,206.98

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Solution

The fourth proportional to 28,857.34, 43,253.20 and 12,206.98 is: 18,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.34 : 43,253.20 = 12,206.98 : x
  2. Step 2: Convert to fraction form
    28,857.34/43,253.20 = 12,206.98/x
  3. Step 3: Cross multiply
    28,857.34x = 43,253.20 × 12,206.98
  4. Step 4: Simplify right side
    28,857.34x = 527,990,947.34
  5. Step 5: Solve for x
    x = 527,990,947.34/28,857.34
  6. Step 6: Final answer
    x = 18,296.59

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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.