Home / 29,405.04-40,579.92-15,977.28

Finding the Fourth Proportional to 29,405.04, 40,579.92 and 15,977.28

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Solution

The fourth proportional to 29,405.04, 40,579.92 and 15,977.28 is: 22,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.04 : 40,579.92 = 15,977.28 : x
  2. Step 2: Convert to fraction form
    29,405.04/40,579.92 = 15,977.28/x
  3. Step 3: Cross multiply
    29,405.04x = 40,579.92 × 15,977.28
  4. Step 4: Simplify right side
    29,405.04x = 648,356,744.22
  5. Step 5: Solve for x
    x = 648,356,744.22/29,405.04
  6. Step 6: Final answer
    x = 22,049.17

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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.