Home / 28,770.75-43,175.70-10,302.75

Finding the Fourth Proportional to 28,770.75, 43,175.70 and 10,302.75

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Solution

The fourth proportional to 28,770.75, 43,175.70 and 10,302.75 is: 15,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.75 : 43,175.70 = 10,302.75 : x
  2. Step 2: Convert to fraction form
    28,770.75/43,175.70 = 10,302.75/x
  3. Step 3: Cross multiply
    28,770.75x = 43,175.70 × 10,302.75
  4. Step 4: Simplify right side
    28,770.75x = 444,828,443.18
  5. Step 5: Solve for x
    x = 444,828,443.18/28,770.75
  6. Step 6: Final answer
    x = 15,461.13

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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.