Home / 56,722.32-85,087.80-17,282.80

Finding the Fourth Proportional to 56,722.32, 85,087.80 and 17,282.80

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Solution

The fourth proportional to 56,722.32, 85,087.80 and 17,282.80 is: 25,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.32 : 85,087.80 = 17,282.80 : x
  2. Step 2: Convert to fraction form
    56,722.32/85,087.80 = 17,282.80/x
  3. Step 3: Cross multiply
    56,722.32x = 85,087.80 × 17,282.80
  4. Step 4: Simplify right side
    56,722.32x = 1,470,555,429.84
  5. Step 5: Solve for x
    x = 1,470,555,429.84/56,722.32
  6. Step 6: Final answer
    x = 25,925.52

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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.