Home / 57,284.88-85,896.12-17,831.28

Finding the Fourth Proportional to 57,284.88, 85,896.12 and 17,831.28

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Solution

The fourth proportional to 57,284.88, 85,896.12 and 17,831.28 is: 26,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.88 : 85,896.12 = 17,831.28 : x
  2. Step 2: Convert to fraction form
    57,284.88/85,896.12 = 17,831.28/x
  3. Step 3: Cross multiply
    57,284.88x = 85,896.12 × 17,831.28
  4. Step 4: Simplify right side
    57,284.88x = 1,531,637,766.63
  5. Step 5: Solve for x
    x = 1,531,637,766.63/57,284.88
  6. Step 6: Final answer
    x = 26,737.21

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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.