Home / 21,459.94-29,617.45-12,028.50

Finding the Fourth Proportional to 21,459.94, 29,617.45 and 12,028.50

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Solution

The fourth proportional to 21,459.94, 29,617.45 and 12,028.50 is: 16,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.94 : 29,617.45 = 12,028.50 : x
  2. Step 2: Convert to fraction form
    21,459.94/29,617.45 = 12,028.50/x
  3. Step 3: Cross multiply
    21,459.94x = 29,617.45 × 12,028.50
  4. Step 4: Simplify right side
    21,459.94x = 356,253,467.25
  5. Step 5: Solve for x
    x = 356,253,467.25/21,459.94
  6. Step 6: Final answer
    x = 16,600.86

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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.