Home / 56,261.28-84,389.04-16,818.72

Finding the Fourth Proportional to 56,261.28, 84,389.04 and 16,818.72

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Solution

The fourth proportional to 56,261.28, 84,389.04 and 16,818.72 is: 25,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,261.28 : 84,389.04 = 16,818.72 : x
  2. Step 2: Convert to fraction form
    56,261.28/84,389.04 = 16,818.72/x
  3. Step 3: Cross multiply
    56,261.28x = 84,389.04 × 16,818.72
  4. Step 4: Simplify right side
    56,261.28x = 1,419,315,634.83
  5. Step 5: Solve for x
    x = 1,419,315,634.83/56,261.28
  6. Step 6: Final answer
    x = 25,227.22

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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.