Home / 28,456.02-42,739.36-23,194.88

Finding the Fourth Proportional to 28,456.02, 42,739.36 and 23,194.88

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Solution

The fourth proportional to 28,456.02, 42,739.36 and 23,194.88 is: 34,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.02 : 42,739.36 = 23,194.88 : x
  2. Step 2: Convert to fraction form
    28,456.02/42,739.36 = 23,194.88/x
  3. Step 3: Cross multiply
    28,456.02x = 42,739.36 × 23,194.88
  4. Step 4: Simplify right side
    28,456.02x = 991,334,326.48
  5. Step 5: Solve for x
    x = 991,334,326.48/28,456.02
  6. Step 6: Final answer
    x = 34,837.42

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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.