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Finding the Fourth Proportional to 21,729.39, 32,594.09 and 10,041.09

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Solution

The fourth proportional to 21,729.39, 32,594.09 and 10,041.09 is: 15,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.39 : 32,594.09 = 10,041.09 : x
  2. Step 2: Convert to fraction form
    21,729.39/32,594.09 = 10,041.09/x
  3. Step 3: Cross multiply
    21,729.39x = 32,594.09 × 10,041.09
  4. Step 4: Simplify right side
    21,729.39x = 327,280,191.16
  5. Step 5: Solve for x
    x = 327,280,191.16/21,729.39
  6. Step 6: Final answer
    x = 15,061.64

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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.