Home / 19,250.92-28,867.74-8,857

Finding the Fourth Proportional to 19,250.92, 28,867.74 and 8,857

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Solution

The fourth proportional to 19,250.92, 28,867.74 and 8,857 is: 13,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.92 : 28,867.74 = 8,857 : x
  2. Step 2: Convert to fraction form
    19,250.92/28,867.74 = 8,857/x
  3. Step 3: Cross multiply
    19,250.92x = 28,867.74 × 8,857
  4. Step 4: Simplify right side
    19,250.92x = 255,681,573.18
  5. Step 5: Solve for x
    x = 255,681,573.18/19,250.92
  6. Step 6: Final answer
    x = 13,281.52

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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.