Home / 22,459.56-30,997.05-18,676.21

Finding the Fourth Proportional to 22,459.56, 30,997.05 and 18,676.21

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Solution

The fourth proportional to 22,459.56, 30,997.05 and 18,676.21 is: 25,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.56 : 30,997.05 = 18,676.21 : x
  2. Step 2: Convert to fraction form
    22,459.56/30,997.05 = 18,676.21/x
  3. Step 3: Cross multiply
    22,459.56x = 30,997.05 × 18,676.21
  4. Step 4: Simplify right side
    22,459.56x = 578,907,415.18
  5. Step 5: Solve for x
    x = 578,907,415.18/22,459.56
  6. Step 6: Final answer
    x = 25,775.55

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1.5x scale

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.