Home / 21,488.04-32,244.84-11,627.12

Finding the Fourth Proportional to 21,488.04, 32,244.84 and 11,627.12

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Solution

The fourth proportional to 21,488.04, 32,244.84 and 11,627.12 is: 17,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.04 : 32,244.84 = 11,627.12 : x
  2. Step 2: Convert to fraction form
    21,488.04/32,244.84 = 11,627.12/x
  3. Step 3: Cross multiply
    21,488.04x = 32,244.84 × 11,627.12
  4. Step 4: Simplify right side
    21,488.04x = 374,914,624.06
  5. Step 5: Solve for x
    x = 374,914,624.06/21,488.04
  6. Step 6: Final answer
    x = 17,447.60

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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.