Home / 21,564.29-32,335.49-9,867.48

Finding the Fourth Proportional to 21,564.29, 32,335.49 and 9,867.48

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Solution

The fourth proportional to 21,564.29, 32,335.49 and 9,867.48 is: 14,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.29 : 32,335.49 = 9,867.48 : x
  2. Step 2: Convert to fraction form
    21,564.29/32,335.49 = 9,867.48/x
  3. Step 3: Cross multiply
    21,564.29x = 32,335.49 × 9,867.48
  4. Step 4: Simplify right side
    21,564.29x = 319,069,800.87
  5. Step 5: Solve for x
    x = 319,069,800.87/21,564.29
  6. Step 6: Final answer
    x = 14,796.21

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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.