Home / 17,407.26-26,108.19-5,720.40

Finding the Fourth Proportional to 17,407.26, 26,108.19 and 5,720.40

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Solution

The fourth proportional to 17,407.26, 26,108.19 and 5,720.40 is: 8,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.26 : 26,108.19 = 5,720.40 : x
  2. Step 2: Convert to fraction form
    17,407.26/26,108.19 = 5,720.40/x
  3. Step 3: Cross multiply
    17,407.26x = 26,108.19 × 5,720.40
  4. Step 4: Simplify right side
    17,407.26x = 149,349,290.08
  5. Step 5: Solve for x
    x = 149,349,290.08/17,407.26
  6. Step 6: Final answer
    x = 8,579.71

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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.