Home / 20,741.13-28,628.88-17,938.62

Finding the Fourth Proportional to 20,741.13, 28,628.88 and 17,938.62

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Solution

The fourth proportional to 20,741.13, 28,628.88 and 17,938.62 is: 24,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.13 : 28,628.88 = 17,938.62 : x
  2. Step 2: Convert to fraction form
    20,741.13/28,628.88 = 17,938.62/x
  3. Step 3: Cross multiply
    20,741.13x = 28,628.88 × 17,938.62
  4. Step 4: Simplify right side
    20,741.13x = 513,562,599.35
  5. Step 5: Solve for x
    x = 513,562,599.35/20,741.13
  6. Step 6: Final answer
    x = 24,760.59

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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.