Home / 20,940.72-28,927.58-19,048.96

Finding the Fourth Proportional to 20,940.72, 28,927.58 and 19,048.96

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Solution

The fourth proportional to 20,940.72, 28,927.58 and 19,048.96 is: 26,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940.72 : 28,927.58 = 19,048.96 : x
  2. Step 2: Convert to fraction form
    20,940.72/28,927.58 = 19,048.96/x
  3. Step 3: Cross multiply
    20,940.72x = 28,927.58 × 19,048.96
  4. Step 4: Simplify right side
    20,940.72x = 551,040,314.32
  5. Step 5: Solve for x
    x = 551,040,314.32/20,940.72
  6. Step 6: Final answer
    x = 26,314.30

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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.