Home / 21,479.61-32,242.97-17,065.64

Finding the Fourth Proportional to 21,479.61, 32,242.97 and 17,065.64

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Solution

The fourth proportional to 21,479.61, 32,242.97 and 17,065.64 is: 25,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.61 : 32,242.97 = 17,065.64 : x
  2. Step 2: Convert to fraction form
    21,479.61/32,242.97 = 17,065.64/x
  3. Step 3: Cross multiply
    21,479.61x = 32,242.97 × 17,065.64
  4. Step 4: Simplify right side
    21,479.61x = 550,246,884.45
  5. Step 5: Solve for x
    x = 550,246,884.45/21,479.61
  6. Step 6: Final answer
    x = 25,617.18

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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.