Home / 21,564.32-32,335.55-9,867.52

Finding the Fourth Proportional to 21,564.32, 32,335.55 and 9,867.52

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Solution

The fourth proportional to 21,564.32, 32,335.55 and 9,867.52 is: 14,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.32 : 32,335.55 = 9,867.52 : x
  2. Step 2: Convert to fraction form
    21,564.32/32,335.55 = 9,867.52/x
  3. Step 3: Cross multiply
    21,564.32x = 32,335.55 × 9,867.52
  4. Step 4: Simplify right side
    21,564.32x = 319,071,556.16
  5. Step 5: Solve for x
    x = 319,071,556.16/21,564.32
  6. Step 6: Final answer
    x = 14,796.27

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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.