Home / 17,720.26-26,579.73-4,393.29

Finding the Fourth Proportional to 17,720.26, 26,579.73 and 4,393.29

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Solution

The fourth proportional to 17,720.26, 26,579.73 and 4,393.29 is: 6,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.26 : 26,579.73 = 4,393.29 : x
  2. Step 2: Convert to fraction form
    17,720.26/26,579.73 = 4,393.29/x
  3. Step 3: Cross multiply
    17,720.26x = 26,579.73 × 4,393.29
  4. Step 4: Simplify right side
    17,720.26x = 116,772,462.01
  5. Step 5: Solve for x
    x = 116,772,462.01/17,720.26
  6. Step 6: Final answer
    x = 6,589.77

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1.5x scale

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.