Home / 28,788.60-43,180.18-9,065.64

Finding the Fourth Proportional to 28,788.60, 43,180.18 and 9,065.64

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Solution

The fourth proportional to 28,788.60, 43,180.18 and 9,065.64 is: 13,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.60 : 43,180.18 = 9,065.64 : x
  2. Step 2: Convert to fraction form
    28,788.60/43,180.18 = 9,065.64/x
  3. Step 3: Cross multiply
    28,788.60x = 43,180.18 × 9,065.64
  4. Step 4: Simplify right side
    28,788.60x = 391,455,967.02
  5. Step 5: Solve for x
    x = 391,455,967.02/28,788.60
  6. Step 6: Final answer
    x = 13,597.60

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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.