Home / 28,036.58-38,691.34-16,102.31

Finding the Fourth Proportional to 28,036.58, 38,691.34 and 16,102.31

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Solution

The fourth proportional to 28,036.58, 38,691.34 and 16,102.31 is: 22,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.58 : 38,691.34 = 16,102.31 : x
  2. Step 2: Convert to fraction form
    28,036.58/38,691.34 = 16,102.31/x
  3. Step 3: Cross multiply
    28,036.58x = 38,691.34 × 16,102.31
  4. Step 4: Simplify right side
    28,036.58x = 623,019,717.28
  5. Step 5: Solve for x
    x = 623,019,717.28/28,036.58
  6. Step 6: Final answer
    x = 22,221.68

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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.