Home / 28,506.44-39,335.48-15,757.91

Finding the Fourth Proportional to 28,506.44, 39,335.48 and 15,757.91

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Solution

The fourth proportional to 28,506.44, 39,335.48 and 15,757.91 is: 21,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.44 : 39,335.48 = 15,757.91 : x
  2. Step 2: Convert to fraction form
    28,506.44/39,335.48 = 15,757.91/x
  3. Step 3: Cross multiply
    28,506.44x = 39,335.48 × 15,757.91
  4. Step 4: Simplify right side
    28,506.44x = 619,844,678.18
  5. Step 5: Solve for x
    x = 619,844,678.18/28,506.44
  6. Step 6: Final answer
    x = 21,744.02

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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.