Home / 26,987.51-40,476.69-7,261.67

Finding the Fourth Proportional to 26,987.51, 40,476.69 and 7,261.67

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Solution

The fourth proportional to 26,987.51, 40,476.69 and 7,261.67 is: 10,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.51 : 40,476.69 = 7,261.67 : x
  2. Step 2: Convert to fraction form
    26,987.51/40,476.69 = 7,261.67/x
  3. Step 3: Cross multiply
    26,987.51x = 40,476.69 × 7,261.67
  4. Step 4: Simplify right side
    26,987.51x = 293,928,466.66
  5. Step 5: Solve for x
    x = 293,928,466.66/26,987.51
  6. Step 6: Final answer
    x = 10,891.28

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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.