Home / 19,400.40-26,744.85-13,015.62

Finding the Fourth Proportional to 19,400.40, 26,744.85 and 13,015.62

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Solution

The fourth proportional to 19,400.40, 26,744.85 and 13,015.62 is: 17,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.40 : 26,744.85 = 13,015.62 : x
  2. Step 2: Convert to fraction form
    19,400.40/26,744.85 = 13,015.62/x
  3. Step 3: Cross multiply
    19,400.40x = 26,744.85 × 13,015.62
  4. Step 4: Simplify right side
    19,400.40x = 348,100,804.56
  5. Step 5: Solve for x
    x = 348,100,804.56/19,400.40
  6. Step 6: Final answer
    x = 17,942.97

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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.