Home / 20,313.19-30,445.17-17,852.81

Finding the Fourth Proportional to 20,313.19, 30,445.17 and 17,852.81

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Solution

The fourth proportional to 20,313.19, 30,445.17 and 17,852.81 is: 26,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.19 : 30,445.17 = 17,852.81 : x
  2. Step 2: Convert to fraction form
    20,313.19/30,445.17 = 17,852.81/x
  3. Step 3: Cross multiply
    20,313.19x = 30,445.17 × 17,852.81
  4. Step 4: Simplify right side
    20,313.19x = 543,531,835.43
  5. Step 5: Solve for x
    x = 543,531,835.43/20,313.19
  6. Step 6: Final answer
    x = 26,757.59

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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.