Home / 57,280.50-85,927.77-17,831.34

Finding the Fourth Proportional to 57,280.50, 85,927.77 and 17,831.34

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Solution

The fourth proportional to 57,280.50, 85,927.77 and 17,831.34 is: 26,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.50 : 85,927.77 = 17,831.34 : x
  2. Step 2: Convert to fraction form
    57,280.50/85,927.77 = 17,831.34/x
  3. Step 3: Cross multiply
    57,280.50x = 85,927.77 × 17,831.34
  4. Step 4: Simplify right side
    57,280.50x = 1,532,207,282.31
  5. Step 5: Solve for x
    x = 1,532,207,282.31/57,280.50
  6. Step 6: Final answer
    x = 26,749.20

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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.