Home / 28,770.96-43,146-10,045.74

Finding the Fourth Proportional to 28,770.96, 43,146 and 10,045.74

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Solution

The fourth proportional to 28,770.96, 43,146 and 10,045.74 is: 15,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.96 : 43,146 = 10,045.74 : x
  2. Step 2: Convert to fraction form
    28,770.96/43,146 = 10,045.74/x
  3. Step 3: Cross multiply
    28,770.96x = 43,146 × 10,045.74
  4. Step 4: Simplify right side
    28,770.96x = 433,433,498.04
  5. Step 5: Solve for x
    x = 433,433,498.04/28,770.96
  6. Step 6: Final answer
    x = 15,064.96

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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.