Home / 23,449.43-32,360.36-13,377.78

Finding the Fourth Proportional to 23,449.43, 32,360.36 and 13,377.78

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Solution

The fourth proportional to 23,449.43, 32,360.36 and 13,377.78 is: 18,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,449.43 : 32,360.36 = 13,377.78 : x
  2. Step 2: Convert to fraction form
    23,449.43/32,360.36 = 13,377.78/x
  3. Step 3: Cross multiply
    23,449.43x = 32,360.36 × 13,377.78
  4. Step 4: Simplify right side
    23,449.43x = 432,909,709.91
  5. Step 5: Solve for x
    x = 432,909,709.91/23,449.43
  6. Step 6: Final answer
    x = 18,461.42

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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.