Home / 21,052.88-29,052.98-11,621.45

Finding the Fourth Proportional to 21,052.88, 29,052.98 and 11,621.45

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Solution

The fourth proportional to 21,052.88, 29,052.98 and 11,621.45 is: 16,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.88 : 29,052.98 = 11,621.45 : x
  2. Step 2: Convert to fraction form
    21,052.88/29,052.98 = 11,621.45/x
  3. Step 3: Cross multiply
    21,052.88x = 29,052.98 × 11,621.45
  4. Step 4: Simplify right side
    21,052.88x = 337,637,551.05
  5. Step 5: Solve for x
    x = 337,637,551.05/21,052.88
  6. Step 6: Final answer
    x = 16,037.60

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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.