Home / 29,406.56-40,581.80-15,977.68

Finding the Fourth Proportional to 29,406.56, 40,581.80 and 15,977.68

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Solution

The fourth proportional to 29,406.56, 40,581.80 and 15,977.68 is: 22,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,406.56 : 40,581.80 = 15,977.68 : x
  2. Step 2: Convert to fraction form
    29,406.56/40,581.80 = 15,977.68/x
  3. Step 3: Cross multiply
    29,406.56x = 40,581.80 × 15,977.68
  4. Step 4: Simplify right side
    29,406.56x = 648,403,014.22
  5. Step 5: Solve for x
    x = 648,403,014.22/29,406.56
  6. Step 6: Final answer
    x = 22,049.60

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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.