Home / 28,962.10-39,969.26-17,629.80

Finding the Fourth Proportional to 28,962.10, 39,969.26 and 17,629.80

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Solution

The fourth proportional to 28,962.10, 39,969.26 and 17,629.80 is: 24,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.10 : 39,969.26 = 17,629.80 : x
  2. Step 2: Convert to fraction form
    28,962.10/39,969.26 = 17,629.80/x
  3. Step 3: Cross multiply
    28,962.10x = 39,969.26 × 17,629.80
  4. Step 4: Simplify right side
    28,962.10x = 704,650,059.95
  5. Step 5: Solve for x
    x = 704,650,059.95/28,962.10
  6. Step 6: Final answer
    x = 24,330.07

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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.