Home / 28,009.13-38,652.09-15,262.42

Finding the Fourth Proportional to 28,009.13, 38,652.09 and 15,262.42

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Solution

The fourth proportional to 28,009.13, 38,652.09 and 15,262.42 is: 21,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.13 : 38,652.09 = 15,262.42 : x
  2. Step 2: Convert to fraction form
    28,009.13/38,652.09 = 15,262.42/x
  3. Step 3: Cross multiply
    28,009.13x = 38,652.09 × 15,262.42
  4. Step 4: Simplify right side
    28,009.13x = 589,924,238.20
  5. Step 5: Solve for x
    x = 589,924,238.20/28,009.13
  6. Step 6: Final answer
    x = 21,061.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.