Home / 21,724.51-32,599.07-11,729.12

Finding the Fourth Proportional to 21,724.51, 32,599.07 and 11,729.12

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Solution

The fourth proportional to 21,724.51, 32,599.07 and 11,729.12 is: 17,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.51 : 32,599.07 = 11,729.12 : x
  2. Step 2: Convert to fraction form
    21,724.51/32,599.07 = 11,729.12/x
  3. Step 3: Cross multiply
    21,724.51x = 32,599.07 × 11,729.12
  4. Step 4: Simplify right side
    21,724.51x = 382,358,270.25
  5. Step 5: Solve for x
    x = 382,358,270.25/21,724.51
  6. Step 6: Final answer
    x = 17,600.32

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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.