Home / 19,962.88-29,911.48-15,829.44

Finding the Fourth Proportional to 19,962.88, 29,911.48 and 15,829.44

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Solution

The fourth proportional to 19,962.88, 29,911.48 and 15,829.44 is: 23,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.88 : 29,911.48 = 15,829.44 : x
  2. Step 2: Convert to fraction form
    19,962.88/29,911.48 = 15,829.44/x
  3. Step 3: Cross multiply
    19,962.88x = 29,911.48 × 15,829.44
  4. Step 4: Simplify right side
    19,962.88x = 473,481,977.97
  5. Step 5: Solve for x
    x = 473,481,977.97/19,962.88
  6. Step 6: Final answer
    x = 23,718.12

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1.5x scale

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.