Home / 20,463.96-28,260.54-19,300.44

Finding the Fourth Proportional to 20,463.96, 28,260.54 and 19,300.44

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Solution

The fourth proportional to 20,463.96, 28,260.54 and 19,300.44 is: 26,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.96 : 28,260.54 = 19,300.44 : x
  2. Step 2: Convert to fraction form
    20,463.96/28,260.54 = 19,300.44/x
  3. Step 3: Cross multiply
    20,463.96x = 28,260.54 × 19,300.44
  4. Step 4: Simplify right side
    20,463.96x = 545,440,856.64
  5. Step 5: Solve for x
    x = 545,440,856.64/20,463.96
  6. Step 6: Final answer
    x = 26,653.73

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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.