Home / 26,987.28-40,209.59-25,478.25

Finding the Fourth Proportional to 26,987.28, 40,209.59 and 25,478.25

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Solution

The fourth proportional to 26,987.28, 40,209.59 and 25,478.25 is: 37,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.28 : 40,209.59 = 25,478.25 : x
  2. Step 2: Convert to fraction form
    26,987.28/40,209.59 = 25,478.25/x
  3. Step 3: Cross multiply
    26,987.28x = 40,209.59 × 25,478.25
  4. Step 4: Simplify right side
    26,987.28x = 1,024,469,859.03
  5. Step 5: Solve for x
    x = 1,024,469,859.03/26,987.28
  6. Step 6: Final answer
    x = 37,961.21

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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.