Home / 28,788.40-43,186.92-9,064.90

Finding the Fourth Proportional to 28,788.40, 43,186.92 and 9,064.90

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Solution

The fourth proportional to 28,788.40, 43,186.92 and 9,064.90 is: 13,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.40 : 43,186.92 = 9,064.90 : x
  2. Step 2: Convert to fraction form
    28,788.40/43,186.92 = 9,064.90/x
  3. Step 3: Cross multiply
    28,788.40x = 43,186.92 × 9,064.90
  4. Step 4: Simplify right side
    28,788.40x = 391,485,111.11
  5. Step 5: Solve for x
    x = 391,485,111.11/28,788.40
  6. Step 6: Final answer
    x = 13,598.71

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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.