Home / 27,589.88-38,073.24-15,654.32

Finding the Fourth Proportional to 27,589.88, 38,073.24 and 15,654.32

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Solution

The fourth proportional to 27,589.88, 38,073.24 and 15,654.32 is: 21,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.88 : 38,073.24 = 15,654.32 : x
  2. Step 2: Convert to fraction form
    27,589.88/38,073.24 = 15,654.32/x
  3. Step 3: Cross multiply
    27,589.88x = 38,073.24 × 15,654.32
  4. Step 4: Simplify right side
    27,589.88x = 596,010,682.40
  5. Step 5: Solve for x
    x = 596,010,682.40/27,589.88
  6. Step 6: Final answer
    x = 21,602.51

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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.