Home / 22,764.08-31,403.27-15,212.27

Finding the Fourth Proportional to 22,764.08, 31,403.27 and 15,212.27

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Solution

The fourth proportional to 22,764.08, 31,403.27 and 15,212.27 is: 20,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.08 : 31,403.27 = 15,212.27 : x
  2. Step 2: Convert to fraction form
    22,764.08/31,403.27 = 15,212.27/x
  3. Step 3: Cross multiply
    22,764.08x = 31,403.27 × 15,212.27
  4. Step 4: Simplify right side
    22,764.08x = 477,714,789.05
  5. Step 5: Solve for x
    x = 477,714,789.05/22,764.08
  6. Step 6: Final answer
    x = 20,985.47

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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.