Home / 28,121.14-38,782.02-23,333.47

Finding the Fourth Proportional to 28,121.14, 38,782.02 and 23,333.47

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Solution

The fourth proportional to 28,121.14, 38,782.02 and 23,333.47 is: 32,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,121.14 : 38,782.02 = 23,333.47 : x
  2. Step 2: Convert to fraction form
    28,121.14/38,782.02 = 23,333.47/x
  3. Step 3: Cross multiply
    28,121.14x = 38,782.02 × 23,333.47
  4. Step 4: Simplify right side
    28,121.14x = 904,919,090.75
  5. Step 5: Solve for x
    x = 904,919,090.75/28,121.14
  6. Step 6: Final answer
    x = 32,179.32

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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.