Home / 27,701.63-38,227.77-15,764.72

Finding the Fourth Proportional to 27,701.63, 38,227.77 and 15,764.72

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Solution

The fourth proportional to 27,701.63, 38,227.77 and 15,764.72 is: 21,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.63 : 38,227.77 = 15,764.72 : x
  2. Step 2: Convert to fraction form
    27,701.63/38,227.77 = 15,764.72/x
  3. Step 3: Cross multiply
    27,701.63x = 38,227.77 × 15,764.72
  4. Step 4: Simplify right side
    27,701.63x = 602,650,090.27
  5. Step 5: Solve for x
    x = 602,650,090.27/27,701.63
  6. Step 6: Final answer
    x = 21,755.04

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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.