Home / 21,909.42-32,856.84-8,758.26

Finding the Fourth Proportional to 21,909.42, 32,856.84 and 8,758.26

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Solution

The fourth proportional to 21,909.42, 32,856.84 and 8,758.26 is: 13,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909.42 : 32,856.84 = 8,758.26 : x
  2. Step 2: Convert to fraction form
    21,909.42/32,856.84 = 8,758.26/x
  3. Step 3: Cross multiply
    21,909.42x = 32,856.84 × 8,758.26
  4. Step 4: Simplify right side
    21,909.42x = 287,768,747.50
  5. Step 5: Solve for x
    x = 287,768,747.50/21,909.42
  6. Step 6: Final answer
    x = 13,134.48

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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.