Home / 56,870.91-85,317.26-17,428.37

Finding the Fourth Proportional to 56,870.91, 85,317.26 and 17,428.37

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Solution

The fourth proportional to 56,870.91, 85,317.26 and 17,428.37 is: 26,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,870.91 : 85,317.26 = 17,428.37 : x
  2. Step 2: Convert to fraction form
    56,870.91/85,317.26 = 17,428.37/x
  3. Step 3: Cross multiply
    56,870.91x = 85,317.26 × 17,428.37
  4. Step 4: Simplify right side
    56,870.91x = 1,486,940,260.94
  5. Step 5: Solve for x
    x = 1,486,940,260.94/56,870.91
  6. Step 6: Final answer
    x = 26,145.88

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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.