Home / 27,593.08-38,078.53-15,656.39

Finding the Fourth Proportional to 27,593.08, 38,078.53 and 15,656.39

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Solution

The fourth proportional to 27,593.08, 38,078.53 and 15,656.39 is: 21,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.08 : 38,078.53 = 15,656.39 : x
  2. Step 2: Convert to fraction form
    27,593.08/38,078.53 = 15,656.39/x
  3. Step 3: Cross multiply
    27,593.08x = 38,078.53 × 15,656.39
  4. Step 4: Simplify right side
    27,593.08x = 596,172,316.31
  5. Step 5: Solve for x
    x = 596,172,316.31/27,593.08
  6. Step 6: Final answer
    x = 21,605.86

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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.