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Finding the Fourth Proportional to 28,947, 43,395.86 and 27,569.18

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Solution

The fourth proportional to 28,947, 43,395.86 and 27,569.18 is: 41,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947 : 43,395.86 = 27,569.18 : x
  2. Step 2: Convert to fraction form
    28,947/43,395.86 = 27,569.18/x
  3. Step 3: Cross multiply
    28,947x = 43,395.86 × 27,569.18
  4. Step 4: Simplify right side
    28,947x = 1,196,388,275.59
  5. Step 5: Solve for x
    x = 1,196,388,275.59/28,947
  6. Step 6: Final answer
    x = 41,330.30

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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.