Home / 29,089.08-40,138.54-16,339.81

Finding the Fourth Proportional to 29,089.08, 40,138.54 and 16,339.81

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Solution

The fourth proportional to 29,089.08, 40,138.54 and 16,339.81 is: 22,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.08 : 40,138.54 = 16,339.81 : x
  2. Step 2: Convert to fraction form
    29,089.08/40,138.54 = 16,339.81/x
  3. Step 3: Cross multiply
    29,089.08x = 40,138.54 × 16,339.81
  4. Step 4: Simplify right side
    29,089.08x = 655,856,117.28
  5. Step 5: Solve for x
    x = 655,856,117.28/29,089.08
  6. Step 6: Final answer
    x = 22,546.48

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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.