Home / 28,775.67-43,153.17-11,011.31

Finding the Fourth Proportional to 28,775.67, 43,153.17 and 11,011.31

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Solution

The fourth proportional to 28,775.67, 43,153.17 and 11,011.31 is: 16,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.67 : 43,153.17 = 11,011.31 : x
  2. Step 2: Convert to fraction form
    28,775.67/43,153.17 = 11,011.31/x
  3. Step 3: Cross multiply
    28,775.67x = 43,153.17 × 11,011.31
  4. Step 4: Simplify right side
    28,775.67x = 475,172,837.12
  5. Step 5: Solve for x
    x = 475,172,837.12/28,775.67
  6. Step 6: Final answer
    x = 16,513.01

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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.