Home / 21,482.06-32,235.84-11,621.12

Finding the Fourth Proportional to 21,482.06, 32,235.84 and 11,621.12

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Solution

The fourth proportional to 21,482.06, 32,235.84 and 11,621.12 is: 17,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.06 : 32,235.84 = 11,621.12 : x
  2. Step 2: Convert to fraction form
    21,482.06/32,235.84 = 11,621.12/x
  3. Step 3: Cross multiply
    21,482.06x = 32,235.84 × 11,621.12
  4. Step 4: Simplify right side
    21,482.06x = 374,616,403.76
  5. Step 5: Solve for x
    x = 374,616,403.76/21,482.06
  6. Step 6: Final answer
    x = 17,438.57

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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.