Home / 21,627.68-32,441.52-5,211.68

Finding the Fourth Proportional to 21,627.68, 32,441.52 and 5,211.68

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Solution

The fourth proportional to 21,627.68, 32,441.52 and 5,211.68 is: 7,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.68 : 32,441.52 = 5,211.68 : x
  2. Step 2: Convert to fraction form
    21,627.68/32,441.52 = 5,211.68/x
  3. Step 3: Cross multiply
    21,627.68x = 32,441.52 × 5,211.68
  4. Step 4: Simplify right side
    21,627.68x = 169,074,820.95
  5. Step 5: Solve for x
    x = 169,074,820.95/21,627.68
  6. Step 6: Final answer
    x = 7,817.52

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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.