Home / 26,728.48-36,851.79-17,151.47

Finding the Fourth Proportional to 26,728.48, 36,851.79 and 17,151.47

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Solution

The fourth proportional to 26,728.48, 36,851.79 and 17,151.47 is: 23,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.48 : 36,851.79 = 17,151.47 : x
  2. Step 2: Convert to fraction form
    26,728.48/36,851.79 = 17,151.47/x
  3. Step 3: Cross multiply
    26,728.48x = 36,851.79 × 17,151.47
  4. Step 4: Simplify right side
    26,728.48x = 632,062,370.63
  5. Step 5: Solve for x
    x = 632,062,370.63/26,728.48
  6. Step 6: Final answer
    x = 23,647.52

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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.