Home / 28,947.99-43,420.31-11,175.17

Finding the Fourth Proportional to 28,947.99, 43,420.31 and 11,175.17

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Solution

The fourth proportional to 28,947.99, 43,420.31 and 11,175.17 is: 16,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.99 : 43,420.31 = 11,175.17 : x
  2. Step 2: Convert to fraction form
    28,947.99/43,420.31 = 11,175.17/x
  3. Step 3: Cross multiply
    28,947.99x = 43,420.31 × 11,175.17
  4. Step 4: Simplify right side
    28,947.99x = 485,229,398.38
  5. Step 5: Solve for x
    x = 485,229,398.38/28,947.99
  6. Step 6: Final answer
    x = 16,762.11

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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.