Home / 26,346.34-36,393.45-21,078.82

Finding the Fourth Proportional to 26,346.34, 36,393.45 and 21,078.82

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Solution

The fourth proportional to 26,346.34, 36,393.45 and 21,078.82 is: 29,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,346.34 : 36,393.45 = 21,078.82 : x
  2. Step 2: Convert to fraction form
    26,346.34/36,393.45 = 21,078.82/x
  3. Step 3: Cross multiply
    26,346.34x = 36,393.45 × 21,078.82
  4. Step 4: Simplify right side
    26,346.34x = 767,130,981.73
  5. Step 5: Solve for x
    x = 767,130,981.73/26,346.34
  6. Step 6: Final answer
    x = 29,117.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.