Home / 26,180.36-39,270.65-9,540.40

Finding the Fourth Proportional to 26,180.36, 39,270.65 and 9,540.40

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Solution

The fourth proportional to 26,180.36, 39,270.65 and 9,540.40 is: 14,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.36 : 39,270.65 = 9,540.40 : x
  2. Step 2: Convert to fraction form
    26,180.36/39,270.65 = 9,540.40/x
  3. Step 3: Cross multiply
    26,180.36x = 39,270.65 × 9,540.40
  4. Step 4: Simplify right side
    26,180.36x = 374,657,709.26
  5. Step 5: Solve for x
    x = 374,657,709.26/26,180.36
  6. Step 6: Final answer
    x = 14,310.64

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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.