Home / 28,877.04-43,318.32-8,100.48

Finding the Fourth Proportional to 28,877.04, 43,318.32 and 8,100.48

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Solution

The fourth proportional to 28,877.04, 43,318.32 and 8,100.48 is: 12,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.04 : 43,318.32 = 8,100.48 : x
  2. Step 2: Convert to fraction form
    28,877.04/43,318.32 = 8,100.48/x
  3. Step 3: Cross multiply
    28,877.04x = 43,318.32 × 8,100.48
  4. Step 4: Simplify right side
    28,877.04x = 350,899,184.79
  5. Step 5: Solve for x
    x = 350,899,184.79/28,877.04
  6. Step 6: Final answer
    x = 12,151.49

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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.