Home / 20,462.80-30,513.48-17,974.18

Finding the Fourth Proportional to 20,462.80, 30,513.48 and 17,974.18

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Solution

The fourth proportional to 20,462.80, 30,513.48 and 17,974.18 is: 26,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.80 : 30,513.48 = 17,974.18 : x
  2. Step 2: Convert to fraction form
    20,462.80/30,513.48 = 17,974.18/x
  3. Step 3: Cross multiply
    20,462.80x = 30,513.48 × 17,974.18
  4. Step 4: Simplify right side
    20,462.80x = 548,454,539.51
  5. Step 5: Solve for x
    x = 548,454,539.51/20,462.80
  6. Step 6: Final answer
    x = 26,802.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.