Home / 31,893.76-47,796.80-16,278.56

Finding the Fourth Proportional to 31,893.76, 47,796.80 and 16,278.56

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Solution

The fourth proportional to 31,893.76, 47,796.80 and 16,278.56 is: 24,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.76 : 47,796.80 = 16,278.56 : x
  2. Step 2: Convert to fraction form
    31,893.76/47,796.80 = 16,278.56/x
  3. Step 3: Cross multiply
    31,893.76x = 47,796.80 × 16,278.56
  4. Step 4: Simplify right side
    31,893.76x = 778,063,076.61
  5. Step 5: Solve for x
    x = 778,063,076.61/31,893.76
  6. Step 6: Final answer
    x = 24,395.46

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1.5x scale

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.