Home / 56,716.63-85,127.46-28,656.43

Finding the Fourth Proportional to 56,716.63, 85,127.46 and 28,656.43

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Solution

The fourth proportional to 56,716.63, 85,127.46 and 28,656.43 is: 43,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.63 : 85,127.46 = 28,656.43 : x
  2. Step 2: Convert to fraction form
    56,716.63/85,127.46 = 28,656.43/x
  3. Step 3: Cross multiply
    56,716.63x = 85,127.46 × 28,656.43
  4. Step 4: Simplify right side
    56,716.63x = 2,439,449,257.13
  5. Step 5: Solve for x
    x = 2,439,449,257.13/56,716.63
  6. Step 6: Final answer
    x = 43,011.18

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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.