Home / 21,932.02-32,878.13-11,389.71

Finding the Fourth Proportional to 21,932.02, 32,878.13 and 11,389.71

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Solution

The fourth proportional to 21,932.02, 32,878.13 and 11,389.71 is: 17,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.02 : 32,878.13 = 11,389.71 : x
  2. Step 2: Convert to fraction form
    21,932.02/32,878.13 = 11,389.71/x
  3. Step 3: Cross multiply
    21,932.02x = 32,878.13 × 11,389.71
  4. Step 4: Simplify right side
    21,932.02x = 374,472,464.42
  5. Step 5: Solve for x
    x = 374,472,464.42/21,932.02
  6. Step 6: Final answer
    x = 17,074.23

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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.