Home / 29,289.40-43,934.12-16,890.48

Finding the Fourth Proportional to 29,289.40, 43,934.12 and 16,890.48

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Solution

The fourth proportional to 29,289.40, 43,934.12 and 16,890.48 is: 25,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.40 : 43,934.12 = 16,890.48 : x
  2. Step 2: Convert to fraction form
    29,289.40/43,934.12 = 16,890.48/x
  3. Step 3: Cross multiply
    29,289.40x = 43,934.12 × 16,890.48
  4. Step 4: Simplify right side
    29,289.40x = 742,068,375.18
  5. Step 5: Solve for x
    x = 742,068,375.18/29,289.40
  6. Step 6: Final answer
    x = 25,335.73

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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.