Home / 27,372.77-37,774.97-15,433.79

Finding the Fourth Proportional to 27,372.77, 37,774.97 and 15,433.79

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Solution

The fourth proportional to 27,372.77, 37,774.97 and 15,433.79 is: 21,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.77 : 37,774.97 = 15,433.79 : x
  2. Step 2: Convert to fraction form
    27,372.77/37,774.97 = 15,433.79/x
  3. Step 3: Cross multiply
    27,372.77x = 37,774.97 × 15,433.79
  4. Step 4: Simplify right side
    27,372.77x = 583,010,971.50
  5. Step 5: Solve for x
    x = 583,010,971.50/27,372.77
  6. Step 6: Final answer
    x = 21,298.94

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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.