Home / 28,975.40-43,463.10-14,186.60

Finding the Fourth Proportional to 28,975.40, 43,463.10 and 14,186.60

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Solution

The fourth proportional to 28,975.40, 43,463.10 and 14,186.60 is: 21,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.40 : 43,463.10 = 14,186.60 : x
  2. Step 2: Convert to fraction form
    28,975.40/43,463.10 = 14,186.60/x
  3. Step 3: Cross multiply
    28,975.40x = 43,463.10 × 14,186.60
  4. Step 4: Simplify right side
    28,975.40x = 616,593,614.46
  5. Step 5: Solve for x
    x = 616,593,614.46/28,975.40
  6. Step 6: Final answer
    x = 21,279.90

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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.