Home / 26,113.60-36,028-16,687.68

Finding the Fourth Proportional to 26,113.60, 36,028 and 16,687.68

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Solution

The fourth proportional to 26,113.60, 36,028 and 16,687.68 is: 23,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.60 : 36,028 = 16,687.68 : x
  2. Step 2: Convert to fraction form
    26,113.60/36,028 = 16,687.68/x
  3. Step 3: Cross multiply
    26,113.60x = 36,028 × 16,687.68
  4. Step 4: Simplify right side
    26,113.60x = 601,223,735.04
  5. Step 5: Solve for x
    x = 601,223,735.04/26,113.60
  6. Step 6: Final answer
    x = 23,023.40

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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.