Home / 21,638.93-32,459.88-12,767.23

Finding the Fourth Proportional to 21,638.93, 32,459.88 and 12,767.23

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Solution

The fourth proportional to 21,638.93, 32,459.88 and 12,767.23 is: 19,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.93 : 32,459.88 = 12,767.23 : x
  2. Step 2: Convert to fraction form
    21,638.93/32,459.88 = 12,767.23/x
  3. Step 3: Cross multiply
    21,638.93x = 32,459.88 × 12,767.23
  4. Step 4: Simplify right side
    21,638.93x = 414,422,527.60
  5. Step 5: Solve for x
    x = 414,422,527.60/21,638.93
  6. Step 6: Final answer
    x = 19,151.71

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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.