Home / 17,720.49-26,441.90-15,858.81

Finding the Fourth Proportional to 17,720.49, 26,441.90 and 15,858.81

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Solution

The fourth proportional to 17,720.49, 26,441.90 and 15,858.81 is: 23,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.49 : 26,441.90 = 15,858.81 : x
  2. Step 2: Convert to fraction form
    17,720.49/26,441.90 = 15,858.81/x
  3. Step 3: Cross multiply
    17,720.49x = 26,441.90 × 15,858.81
  4. Step 4: Simplify right side
    17,720.49x = 419,337,107.79
  5. Step 5: Solve for x
    x = 419,337,107.79/17,720.49
  6. Step 6: Final answer
    x = 23,663.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.