Home / 28,706.96-43,080.12-11,176.88

Finding the Fourth Proportional to 28,706.96, 43,080.12 and 11,176.88

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Solution

The fourth proportional to 28,706.96, 43,080.12 and 11,176.88 is: 16,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.96 : 43,080.12 = 11,176.88 : x
  2. Step 2: Convert to fraction form
    28,706.96/43,080.12 = 11,176.88/x
  3. Step 3: Cross multiply
    28,706.96x = 43,080.12 × 11,176.88
  4. Step 4: Simplify right side
    28,706.96x = 481,501,331.63
  5. Step 5: Solve for x
    x = 481,501,331.63/28,706.96
  6. Step 6: Final answer
    x = 16,772.98

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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.