Home / 21,758.32-32,578.92-11,348.08

Finding the Fourth Proportional to 21,758.32, 32,578.92 and 11,348.08

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Solution

The fourth proportional to 21,758.32, 32,578.92 and 11,348.08 is: 16,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758.32 : 32,578.92 = 11,348.08 : x
  2. Step 2: Convert to fraction form
    21,758.32/32,578.92 = 11,348.08/x
  3. Step 3: Cross multiply
    21,758.32x = 32,578.92 × 11,348.08
  4. Step 4: Simplify right side
    21,758.32x = 369,708,190.47
  5. Step 5: Solve for x
    x = 369,708,190.47/21,758.32
  6. Step 6: Final answer
    x = 16,991.58

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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.