Home / 26,764.86-39,984.47-17,328

Finding the Fourth Proportional to 26,764.86, 39,984.47 and 17,328

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Solution

The fourth proportional to 26,764.86, 39,984.47 and 17,328 is: 25,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,764.86 : 39,984.47 = 17,328 : x
  2. Step 2: Convert to fraction form
    26,764.86/39,984.47 = 17,328/x
  3. Step 3: Cross multiply
    26,764.86x = 39,984.47 × 17,328
  4. Step 4: Simplify right side
    26,764.86x = 692,850,896.16
  5. Step 5: Solve for x
    x = 692,850,896.16/26,764.86
  6. Step 6: Final answer
    x = 25,886.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.