Home / 28,323.66-42,490.56-11,674.44

Finding the Fourth Proportional to 28,323.66, 42,490.56 and 11,674.44

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Solution

The fourth proportional to 28,323.66, 42,490.56 and 11,674.44 is: 17,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.66 : 42,490.56 = 11,674.44 : x
  2. Step 2: Convert to fraction form
    28,323.66/42,490.56 = 11,674.44/x
  3. Step 3: Cross multiply
    28,323.66x = 42,490.56 × 11,674.44
  4. Step 4: Simplify right side
    28,323.66x = 496,053,493.29
  5. Step 5: Solve for x
    x = 496,053,493.29/28,323.66
  6. Step 6: Final answer
    x = 17,513.75

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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.