Home / 28,092.04-38,765.53-15,345.04

Finding the Fourth Proportional to 28,092.04, 38,765.53 and 15,345.04

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Solution

The fourth proportional to 28,092.04, 38,765.53 and 15,345.04 is: 21,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.04 : 38,765.53 = 15,345.04 : x
  2. Step 2: Convert to fraction form
    28,092.04/38,765.53 = 15,345.04/x
  3. Step 3: Cross multiply
    28,092.04x = 38,765.53 × 15,345.04
  4. Step 4: Simplify right side
    28,092.04x = 594,858,396.72
  5. Step 5: Solve for x
    x = 594,858,396.72/28,092.04
  6. Step 6: Final answer
    x = 21,175.34

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1.5x scale

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.