Home / 29,153.82-43,719.98-10,428.78

Finding the Fourth Proportional to 29,153.82, 43,719.98 and 10,428.78

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Solution

The fourth proportional to 29,153.82, 43,719.98 and 10,428.78 is: 15,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.82 : 43,719.98 = 10,428.78 : x
  2. Step 2: Convert to fraction form
    29,153.82/43,719.98 = 10,428.78/x
  3. Step 3: Cross multiply
    29,153.82x = 43,719.98 × 10,428.78
  4. Step 4: Simplify right side
    29,153.82x = 455,946,053.02
  5. Step 5: Solve for x
    x = 455,946,053.02/29,153.82
  6. Step 6: Final answer
    x = 15,639.32

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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.