Home / 57,026.99-85,545.27-21,013.25

Finding the Fourth Proportional to 57,026.99, 85,545.27 and 21,013.25

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Solution

The fourth proportional to 57,026.99, 85,545.27 and 21,013.25 is: 31,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,026.99 : 85,545.27 = 21,013.25 : x
  2. Step 2: Convert to fraction form
    57,026.99/85,545.27 = 21,013.25/x
  3. Step 3: Cross multiply
    57,026.99x = 85,545.27 × 21,013.25
  4. Step 4: Simplify right side
    57,026.99x = 1,797,584,144.83
  5. Step 5: Solve for x
    x = 1,797,584,144.83/57,026.99
  6. Step 6: Final answer
    x = 31,521.64

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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.