Home / 28,473.51-42,685.97-20,127.27

Finding the Fourth Proportional to 28,473.51, 42,685.97 and 20,127.27

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Solution

The fourth proportional to 28,473.51, 42,685.97 and 20,127.27 is: 30,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.51 : 42,685.97 = 20,127.27 : x
  2. Step 2: Convert to fraction form
    28,473.51/42,685.97 = 20,127.27/x
  3. Step 3: Cross multiply
    28,473.51x = 42,685.97 × 20,127.27
  4. Step 4: Simplify right side
    28,473.51x = 859,151,942.77
  5. Step 5: Solve for x
    x = 859,151,942.77/28,473.51
  6. Step 6: Final answer
    x = 30,173.73

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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.