Home / 21,689.12-32,533.33-6,897.82

Finding the Fourth Proportional to 21,689.12, 32,533.33 and 6,897.82

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Solution

The fourth proportional to 21,689.12, 32,533.33 and 6,897.82 is: 10,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.12 : 32,533.33 = 6,897.82 : x
  2. Step 2: Convert to fraction form
    21,689.12/32,533.33 = 6,897.82/x
  3. Step 3: Cross multiply
    21,689.12x = 32,533.33 × 6,897.82
  4. Step 4: Simplify right side
    21,689.12x = 224,409,104.55
  5. Step 5: Solve for x
    x = 224,409,104.55/21,689.12
  6. Step 6: Final answer
    x = 10,346.62

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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.