Home / 20,752.29-28,493.47-20,211.03

Finding the Fourth Proportional to 20,752.29, 28,493.47 and 20,211.03

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Solution

The fourth proportional to 20,752.29, 28,493.47 and 20,211.03 is: 27,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.29 : 28,493.47 = 20,211.03 : x
  2. Step 2: Convert to fraction form
    20,752.29/28,493.47 = 20,211.03/x
  3. Step 3: Cross multiply
    20,752.29x = 28,493.47 × 20,211.03
  4. Step 4: Simplify right side
    20,752.29x = 575,882,376.97
  5. Step 5: Solve for x
    x = 575,882,376.97/20,752.29
  6. Step 6: Final answer
    x = 27,750.31

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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.