Home / 28,814.07-43,240.55-11,281.71

Finding the Fourth Proportional to 28,814.07, 43,240.55 and 11,281.71

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Solution

The fourth proportional to 28,814.07, 43,240.55 and 11,281.71 is: 16,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.07 : 43,240.55 = 11,281.71 : x
  2. Step 2: Convert to fraction form
    28,814.07/43,240.55 = 11,281.71/x
  3. Step 3: Cross multiply
    28,814.07x = 43,240.55 × 11,281.71
  4. Step 4: Simplify right side
    28,814.07x = 487,827,288.93
  5. Step 5: Solve for x
    x = 487,827,288.93/28,814.07
  6. Step 6: Final answer
    x = 16,930.18

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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.