Home / 19,376.44-26,688.56-14,891.61

Finding the Fourth Proportional to 19,376.44, 26,688.56 and 14,891.61

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Solution

The fourth proportional to 19,376.44, 26,688.56 and 14,891.61 is: 20,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.44 : 26,688.56 = 14,891.61 : x
  2. Step 2: Convert to fraction form
    19,376.44/26,688.56 = 14,891.61/x
  3. Step 3: Cross multiply
    19,376.44x = 26,688.56 × 14,891.61
  4. Step 4: Simplify right side
    19,376.44x = 397,435,626.98
  5. Step 5: Solve for x
    x = 397,435,626.98/19,376.44
  6. Step 6: Final answer
    x = 20,511.28

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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.