Home / 27,637.60-38,147.34-15,701.44

Finding the Fourth Proportional to 27,637.60, 38,147.34 and 15,701.44

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Solution

The fourth proportional to 27,637.60, 38,147.34 and 15,701.44 is: 21,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.60 : 38,147.34 = 15,701.44 : x
  2. Step 2: Convert to fraction form
    27,637.60/38,147.34 = 15,701.44/x
  3. Step 3: Cross multiply
    27,637.60x = 38,147.34 × 15,701.44
  4. Step 4: Simplify right side
    27,637.60x = 598,968,170.17
  5. Step 5: Solve for x
    x = 598,968,170.17/27,637.60
  6. Step 6: Final answer
    x = 21,672.22

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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.