Home / 21,990.08-32,950.52-17,004.64

Finding the Fourth Proportional to 21,990.08, 32,950.52 and 17,004.64

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Solution

The fourth proportional to 21,990.08, 32,950.52 and 17,004.64 is: 25,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990.08 : 32,950.52 = 17,004.64 : x
  2. Step 2: Convert to fraction form
    21,990.08/32,950.52 = 17,004.64/x
  3. Step 3: Cross multiply
    21,990.08x = 32,950.52 × 17,004.64
  4. Step 4: Simplify right side
    21,990.08x = 560,311,730.41
  5. Step 5: Solve for x
    x = 560,311,730.41/21,990.08
  6. Step 6: Final answer
    x = 25,480.20

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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.