Home / 27,560.88-38,033.22-15,625.32

Finding the Fourth Proportional to 27,560.88, 38,033.22 and 15,625.32

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Solution

The fourth proportional to 27,560.88, 38,033.22 and 15,625.32 is: 21,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.88 : 38,033.22 = 15,625.32 : x
  2. Step 2: Convert to fraction form
    27,560.88/38,033.22 = 15,625.32/x
  3. Step 3: Cross multiply
    27,560.88x = 38,033.22 × 15,625.32
  4. Step 4: Simplify right side
    27,560.88x = 594,281,233.13
  5. Step 5: Solve for x
    x = 594,281,233.13/27,560.88
  6. Step 6: Final answer
    x = 21,562.49

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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.