Home / 29,573.76-40,812-16,145.28

Finding the Fourth Proportional to 29,573.76, 40,812 and 16,145.28

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Solution

The fourth proportional to 29,573.76, 40,812 and 16,145.28 is: 22,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.76 : 40,812 = 16,145.28 : x
  2. Step 2: Convert to fraction form
    29,573.76/40,812 = 16,145.28/x
  3. Step 3: Cross multiply
    29,573.76x = 40,812 × 16,145.28
  4. Step 4: Simplify right side
    29,573.76x = 658,921,167.36
  5. Step 5: Solve for x
    x = 658,921,167.36/29,573.76
  6. Step 6: Final answer
    x = 22,280.60

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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.