Home / 28,816.10-43,206.87-11,265.02

Finding the Fourth Proportional to 28,816.10, 43,206.87 and 11,265.02

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Solution

The fourth proportional to 28,816.10, 43,206.87 and 11,265.02 is: 16,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.10 : 43,206.87 = 11,265.02 : x
  2. Step 2: Convert to fraction form
    28,816.10/43,206.87 = 11,265.02/x
  3. Step 3: Cross multiply
    28,816.10x = 43,206.87 × 11,265.02
  4. Step 4: Simplify right side
    28,816.10x = 486,726,254.69
  5. Step 5: Solve for x
    x = 486,726,254.69/28,816.10
  6. Step 6: Final answer
    x = 16,890.77

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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.