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Finding the Fourth Proportional to 29,056, 40,097.28 and 15,808

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Solution

The fourth proportional to 29,056, 40,097.28 and 15,808 is: 21,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056 : 40,097.28 = 15,808 : x
  2. Step 2: Convert to fraction form
    29,056/40,097.28 = 15,808/x
  3. Step 3: Cross multiply
    29,056x = 40,097.28 × 15,808
  4. Step 4: Simplify right side
    29,056x = 633,857,802.24
  5. Step 5: Solve for x
    x = 633,857,802.24/29,056
  6. Step 6: Final answer
    x = 21,815.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.