Home / 29,308.22-40,445.34-15,879.52

Finding the Fourth Proportional to 29,308.22, 40,445.34 and 15,879.52

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Solution

The fourth proportional to 29,308.22, 40,445.34 and 15,879.52 is: 21,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.22 : 40,445.34 = 15,879.52 : x
  2. Step 2: Convert to fraction form
    29,308.22/40,445.34 = 15,879.52/x
  3. Step 3: Cross multiply
    29,308.22x = 40,445.34 × 15,879.52
  4. Step 4: Simplify right side
    29,308.22x = 642,252,585.44
  5. Step 5: Solve for x
    x = 642,252,585.44/29,308.22
  6. Step 6: Final answer
    x = 21,913.74

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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.