Home / 21,928.02-32,858.55-11,401.47

Finding the Fourth Proportional to 21,928.02, 32,858.55 and 11,401.47

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Solution

The fourth proportional to 21,928.02, 32,858.55 and 11,401.47 is: 17,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.02 : 32,858.55 = 11,401.47 : x
  2. Step 2: Convert to fraction form
    21,928.02/32,858.55 = 11,401.47/x
  3. Step 3: Cross multiply
    21,928.02x = 32,858.55 × 11,401.47
  4. Step 4: Simplify right side
    21,928.02x = 374,635,772.07
  5. Step 5: Solve for x
    x = 374,635,772.07/21,928.02
  6. Step 6: Final answer
    x = 17,084.80

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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.