Home / 28,827.81-43,238.07-11,309.94

Finding the Fourth Proportional to 28,827.81, 43,238.07 and 11,309.94

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Solution

The fourth proportional to 28,827.81, 43,238.07 and 11,309.94 is: 16,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.81 : 43,238.07 = 11,309.94 : x
  2. Step 2: Convert to fraction form
    28,827.81/43,238.07 = 11,309.94/x
  3. Step 3: Cross multiply
    28,827.81x = 43,238.07 × 11,309.94
  4. Step 4: Simplify right side
    28,827.81x = 489,019,977.42
  5. Step 5: Solve for x
    x = 489,019,977.42/28,827.81
  6. Step 6: Final answer
    x = 16,963.48

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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.