Home / 28,869.46-43,312.35-11,108.27

Finding the Fourth Proportional to 28,869.46, 43,312.35 and 11,108.27

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Solution

The fourth proportional to 28,869.46, 43,312.35 and 11,108.27 is: 16,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.46 : 43,312.35 = 11,108.27 : x
  2. Step 2: Convert to fraction form
    28,869.46/43,312.35 = 11,108.27/x
  3. Step 3: Cross multiply
    28,869.46x = 43,312.35 × 11,108.27
  4. Step 4: Simplify right side
    28,869.46x = 481,125,278.13
  5. Step 5: Solve for x
    x = 481,125,278.13/28,869.46
  6. Step 6: Final answer
    x = 16,665.54

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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.