Home / 21,627.84-32,433.12-11,624.88

Finding the Fourth Proportional to 21,627.84, 32,433.12 and 11,624.88

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Solution

The fourth proportional to 21,627.84, 32,433.12 and 11,624.88 is: 17,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.84 : 32,433.12 = 11,624.88 : x
  2. Step 2: Convert to fraction form
    21,627.84/32,433.12 = 11,624.88/x
  3. Step 3: Cross multiply
    21,627.84x = 32,433.12 × 11,624.88
  4. Step 4: Simplify right side
    21,627.84x = 377,031,128.03
  5. Step 5: Solve for x
    x = 377,031,128.03/21,627.84
  6. Step 6: Final answer
    x = 17,432.68

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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.