Home / 31,272.79-43,155.93-16,932.50

Finding the Fourth Proportional to 31,272.79, 43,155.93 and 16,932.50

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Solution

The fourth proportional to 31,272.79, 43,155.93 and 16,932.50 is: 23,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.79 : 43,155.93 = 16,932.50 : x
  2. Step 2: Convert to fraction form
    31,272.79/43,155.93 = 16,932.50/x
  3. Step 3: Cross multiply
    31,272.79x = 43,155.93 × 16,932.50
  4. Step 4: Simplify right side
    31,272.79x = 730,737,784.73
  5. Step 5: Solve for x
    x = 730,737,784.73/31,272.79
  6. Step 6: Final answer
    x = 23,366.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.