Home / 28,809.38-43,221.35-8,032.88

Finding the Fourth Proportional to 28,809.38, 43,221.35 and 8,032.88

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Solution

The fourth proportional to 28,809.38, 43,221.35 and 8,032.88 is: 12,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.38 : 43,221.35 = 8,032.88 : x
  2. Step 2: Convert to fraction form
    28,809.38/43,221.35 = 8,032.88/x
  3. Step 3: Cross multiply
    28,809.38x = 43,221.35 × 8,032.88
  4. Step 4: Simplify right side
    28,809.38x = 347,191,721.96
  5. Step 5: Solve for x
    x = 347,191,721.96/28,809.38
  6. Step 6: Final answer
    x = 12,051.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.