Home / 29,089.20-40,138.71-16,339.94

Finding the Fourth Proportional to 29,089.20, 40,138.71 and 16,339.94

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Solution

The fourth proportional to 29,089.20, 40,138.71 and 16,339.94 is: 22,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.20 : 40,138.71 = 16,339.94 : x
  2. Step 2: Convert to fraction form
    29,089.20/40,138.71 = 16,339.94/x
  3. Step 3: Cross multiply
    29,089.20x = 40,138.71 × 16,339.94
  4. Step 4: Simplify right side
    29,089.20x = 655,864,113.08
  5. Step 5: Solve for x
    x = 655,864,113.08/29,089.20
  6. Step 6: Final answer
    x = 22,546.65

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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.