Home / 29,838.78-41,178.58-16,411.08

Finding the Fourth Proportional to 29,838.78, 41,178.58 and 16,411.08

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Solution

The fourth proportional to 29,838.78, 41,178.58 and 16,411.08 is: 22,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,838.78 : 41,178.58 = 16,411.08 : x
  2. Step 2: Convert to fraction form
    29,838.78/41,178.58 = 16,411.08/x
  3. Step 3: Cross multiply
    29,838.78x = 41,178.58 × 16,411.08
  4. Step 4: Simplify right side
    29,838.78x = 675,784,970.67
  5. Step 5: Solve for x
    x = 675,784,970.67/29,838.78
  6. Step 6: Final answer
    x = 22,647.88

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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.