Home / 21,886.11-32,822.28-7,091.60

Finding the Fourth Proportional to 21,886.11, 32,822.28 and 7,091.60

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Solution

The fourth proportional to 21,886.11, 32,822.28 and 7,091.60 is: 10,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.11 : 32,822.28 = 7,091.60 : x
  2. Step 2: Convert to fraction form
    21,886.11/32,822.28 = 7,091.60/x
  3. Step 3: Cross multiply
    21,886.11x = 32,822.28 × 7,091.60
  4. Step 4: Simplify right side
    21,886.11x = 232,762,316.74
  5. Step 5: Solve for x
    x = 232,762,316.74/21,886.11
  6. Step 6: Final answer
    x = 10,635.16

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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.