Home / 26,897.67-40,309.45-13,722.51

Finding the Fourth Proportional to 26,897.67, 40,309.45 and 13,722.51

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Solution

The fourth proportional to 26,897.67, 40,309.45 and 13,722.51 is: 20,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.67 : 40,309.45 = 13,722.51 : x
  2. Step 2: Convert to fraction form
    26,897.67/40,309.45 = 13,722.51/x
  3. Step 3: Cross multiply
    26,897.67x = 40,309.45 × 13,722.51
  4. Step 4: Simplify right side
    26,897.67x = 553,146,947.57
  5. Step 5: Solve for x
    x = 553,146,947.57/26,897.67
  6. Step 6: Final answer
    x = 20,564.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.