Home / 27,792.48-38,354.16-15,216.96

Finding the Fourth Proportional to 27,792.48, 38,354.16 and 15,216.96

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Solution

The fourth proportional to 27,792.48, 38,354.16 and 15,216.96 is: 20,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.48 : 38,354.16 = 15,216.96 : x
  2. Step 2: Convert to fraction form
    27,792.48/38,354.16 = 15,216.96/x
  3. Step 3: Cross multiply
    27,792.48x = 38,354.16 × 15,216.96
  4. Step 4: Simplify right side
    27,792.48x = 583,633,718.55
  5. Step 5: Solve for x
    x = 583,633,718.55/27,792.48
  6. Step 6: Final answer
    x = 20,999.70

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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.