Home / 20,290.60-27,893.51-17,447.56

Finding the Fourth Proportional to 20,290.60, 27,893.51 and 17,447.56

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Solution

The fourth proportional to 20,290.60, 27,893.51 and 17,447.56 is: 23,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290.60 : 27,893.51 = 17,447.56 : x
  2. Step 2: Convert to fraction form
    20,290.60/27,893.51 = 17,447.56/x
  3. Step 3: Cross multiply
    20,290.60x = 27,893.51 × 17,447.56
  4. Step 4: Simplify right side
    20,290.60x = 486,673,689.34
  5. Step 5: Solve for x
    x = 486,673,689.34/20,290.60
  6. Step 6: Final answer
    x = 23,985.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.