Home / 28,858.06-43,294.76-9,137.02

Finding the Fourth Proportional to 28,858.06, 43,294.76 and 9,137.02

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Solution

The fourth proportional to 28,858.06, 43,294.76 and 9,137.02 is: 13,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.06 : 43,294.76 = 9,137.02 : x
  2. Step 2: Convert to fraction form
    28,858.06/43,294.76 = 9,137.02/x
  3. Step 3: Cross multiply
    28,858.06x = 43,294.76 × 9,137.02
  4. Step 4: Simplify right side
    28,858.06x = 395,585,088.02
  5. Step 5: Solve for x
    x = 395,585,088.02/28,858.06
  6. Step 6: Final answer
    x = 13,707.96

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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.