Home / 26,619.81-39,895.79-14,145.81

Finding the Fourth Proportional to 26,619.81, 39,895.79 and 14,145.81

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Solution

The fourth proportional to 26,619.81, 39,895.79 and 14,145.81 is: 21,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.81 : 39,895.79 = 14,145.81 : x
  2. Step 2: Convert to fraction form
    26,619.81/39,895.79 = 14,145.81/x
  3. Step 3: Cross multiply
    26,619.81x = 39,895.79 × 14,145.81
  4. Step 4: Simplify right side
    26,619.81x = 564,358,124.37
  5. Step 5: Solve for x
    x = 564,358,124.37/26,619.81
  6. Step 6: Final answer
    x = 21,200.68

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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.