Home / 20,615.99-30,850.07-17,852.13

Finding the Fourth Proportional to 20,615.99, 30,850.07 and 17,852.13

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Solution

The fourth proportional to 20,615.99, 30,850.07 and 17,852.13 is: 26,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.99 : 30,850.07 = 17,852.13 : x
  2. Step 2: Convert to fraction form
    20,615.99/30,850.07 = 17,852.13/x
  3. Step 3: Cross multiply
    20,615.99x = 30,850.07 × 17,852.13
  4. Step 4: Simplify right side
    20,615.99x = 550,739,370.89
  5. Step 5: Solve for x
    x = 550,739,370.89/20,615.99
  6. Step 6: Final answer
    x = 26,714.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.