Home / 26,761.73-36,923.64-15,430.33

Finding the Fourth Proportional to 26,761.73, 36,923.64 and 15,430.33

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Solution

The fourth proportional to 26,761.73, 36,923.64 and 15,430.33 is: 21,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.73 : 36,923.64 = 15,430.33 : x
  2. Step 2: Convert to fraction form
    26,761.73/36,923.64 = 15,430.33/x
  3. Step 3: Cross multiply
    26,761.73x = 36,923.64 × 15,430.33
  4. Step 4: Simplify right side
    26,761.73x = 569,743,950.00
  5. Step 5: Solve for x
    x = 569,743,950.00/26,761.73
  6. Step 6: Final answer
    x = 21,289.50

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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.