Home / 57,831.40-86,747.10-16,278.40

Finding the Fourth Proportional to 57,831.40, 86,747.10 and 16,278.40

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Solution

The fourth proportional to 57,831.40, 86,747.10 and 16,278.40 is: 24,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831.40 : 86,747.10 = 16,278.40 : x
  2. Step 2: Convert to fraction form
    57,831.40/86,747.10 = 16,278.40/x
  3. Step 3: Cross multiply
    57,831.40x = 86,747.10 × 16,278.40
  4. Step 4: Simplify right side
    57,831.40x = 1,412,103,992.64
  5. Step 5: Solve for x
    x = 1,412,103,992.64/57,831.40
  6. Step 6: Final answer
    x = 24,417.60

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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.