Home / 27,717.78-38,250.53-14,970.96

Finding the Fourth Proportional to 27,717.78, 38,250.53 and 14,970.96

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Solution

The fourth proportional to 27,717.78, 38,250.53 and 14,970.96 is: 20,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.78 : 38,250.53 = 14,970.96 : x
  2. Step 2: Convert to fraction form
    27,717.78/38,250.53 = 14,970.96/x
  3. Step 3: Cross multiply
    27,717.78x = 38,250.53 × 14,970.96
  4. Step 4: Simplify right side
    27,717.78x = 572,647,076.67
  5. Step 5: Solve for x
    x = 572,647,076.67/27,717.78
  6. Step 6: Final answer
    x = 20,659.92

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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.