Home / 29,828.90-41,164.50-16,400.72

Finding the Fourth Proportional to 29,828.90, 41,164.50 and 16,400.72

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Solution

The fourth proportional to 29,828.90, 41,164.50 and 16,400.72 is: 22,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,828.90 : 41,164.50 = 16,400.72 : x
  2. Step 2: Convert to fraction form
    29,828.90/41,164.50 = 16,400.72/x
  3. Step 3: Cross multiply
    29,828.90x = 41,164.50 × 16,400.72
  4. Step 4: Simplify right side
    29,828.90x = 675,127,438.44
  5. Step 5: Solve for x
    x = 675,127,438.44/29,828.90
  6. Step 6: Final answer
    x = 22,633.33

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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.