Home / 26,318.65-36,321.89-14,991.69

Finding the Fourth Proportional to 26,318.65, 36,321.89 and 14,991.69

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Solution

The fourth proportional to 26,318.65, 36,321.89 and 14,991.69 is: 20,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.65 : 36,321.89 = 14,991.69 : x
  2. Step 2: Convert to fraction form
    26,318.65/36,321.89 = 14,991.69/x
  3. Step 3: Cross multiply
    26,318.65x = 36,321.89 × 14,991.69
  4. Step 4: Simplify right side
    26,318.65x = 544,526,552.57
  5. Step 5: Solve for x
    x = 544,526,552.57/26,318.65
  6. Step 6: Final answer
    x = 20,689.76

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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.