Home / 31,272.58-43,156.09-16,932.40

Finding the Fourth Proportional to 31,272.58, 43,156.09 and 16,932.40

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Solution

The fourth proportional to 31,272.58, 43,156.09 and 16,932.40 is: 23,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.58 : 43,156.09 = 16,932.40 : x
  2. Step 2: Convert to fraction form
    31,272.58/43,156.09 = 16,932.40/x
  3. Step 3: Cross multiply
    31,272.58x = 43,156.09 × 16,932.40
  4. Step 4: Simplify right side
    31,272.58x = 730,736,178.32
  5. Step 5: Solve for x
    x = 730,736,178.32/31,272.58
  6. Step 6: Final answer
    x = 23,366.68

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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.