Home / 28,053.88-42,136.86-17,542.60

Finding the Fourth Proportional to 28,053.88, 42,136.86 and 17,542.60

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Solution

The fourth proportional to 28,053.88, 42,136.86 and 17,542.60 is: 26,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.88 : 42,136.86 = 17,542.60 : x
  2. Step 2: Convert to fraction form
    28,053.88/42,136.86 = 17,542.60/x
  3. Step 3: Cross multiply
    28,053.88x = 42,136.86 × 17,542.60
  4. Step 4: Simplify right side
    28,053.88x = 739,190,080.24
  5. Step 5: Solve for x
    x = 739,190,080.24/28,053.88
  6. Step 6: Final answer
    x = 26,348.94

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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.