Home / 40,028.48-55,261.80-26,618

Finding the Fourth Proportional to 40,028.48, 55,261.80 and 26,618

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Solution

The fourth proportional to 40,028.48, 55,261.80 and 26,618 is: 36,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.48 : 55,261.80 = 26,618 : x
  2. Step 2: Convert to fraction form
    40,028.48/55,261.80 = 26,618/x
  3. Step 3: Cross multiply
    40,028.48x = 55,261.80 × 26,618
  4. Step 4: Simplify right side
    40,028.48x = 1,470,958,592.40
  5. Step 5: Solve for x
    x = 1,470,958,592.40/40,028.48
  6. Step 6: Final answer
    x = 36,747.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.