Home / 28,578.32-42,815.64-27,956.24

Finding the Fourth Proportional to 28,578.32, 42,815.64 and 27,956.24

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Solution

The fourth proportional to 28,578.32, 42,815.64 and 27,956.24 is: 41,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.32 : 42,815.64 = 27,956.24 : x
  2. Step 2: Convert to fraction form
    28,578.32/42,815.64 = 27,956.24/x
  3. Step 3: Cross multiply
    28,578.32x = 42,815.64 × 27,956.24
  4. Step 4: Simplify right side
    28,578.32x = 1,196,964,307.59
  5. Step 5: Solve for x
    x = 1,196,964,307.59/28,578.32
  6. Step 6: Final answer
    x = 41,883.65

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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.