Home / 21,721.04-32,556.48-10,009.64

Finding the Fourth Proportional to 21,721.04, 32,556.48 and 10,009.64

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Solution

The fourth proportional to 21,721.04, 32,556.48 and 10,009.64 is: 15,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721.04 : 32,556.48 = 10,009.64 : x
  2. Step 2: Convert to fraction form
    21,721.04/32,556.48 = 10,009.64/x
  3. Step 3: Cross multiply
    21,721.04x = 32,556.48 × 10,009.64
  4. Step 4: Simplify right side
    21,721.04x = 325,878,644.47
  5. Step 5: Solve for x
    x = 325,878,644.47/21,721.04
  6. Step 6: Final answer
    x = 15,002.90

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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.