Home / 27,130.88-40,696.86-17,830.19

Finding the Fourth Proportional to 27,130.88, 40,696.86 and 17,830.19

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Solution

The fourth proportional to 27,130.88, 40,696.86 and 17,830.19 is: 26,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.88 : 40,696.86 = 17,830.19 : x
  2. Step 2: Convert to fraction form
    27,130.88/40,696.86 = 17,830.19/x
  3. Step 3: Cross multiply
    27,130.88x = 40,696.86 × 17,830.19
  4. Step 4: Simplify right side
    27,130.88x = 725,632,746.20
  5. Step 5: Solve for x
    x = 725,632,746.20/27,130.88
  6. Step 6: Final answer
    x = 26,745.64

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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.