Home / 28,816.07-43,243.55-11,283.71

Finding the Fourth Proportional to 28,816.07, 43,243.55 and 11,283.71

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Solution

The fourth proportional to 28,816.07, 43,243.55 and 11,283.71 is: 16,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.07 : 43,243.55 = 11,283.71 : x
  2. Step 2: Convert to fraction form
    28,816.07/43,243.55 = 11,283.71/x
  3. Step 3: Cross multiply
    28,816.07x = 43,243.55 × 11,283.71
  4. Step 4: Simplify right side
    28,816.07x = 487,947,677.57
  5. Step 5: Solve for x
    x = 487,947,677.57/28,816.07
  6. Step 6: Final answer
    x = 16,933.18

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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.