Home / 26,162.88-36,090-15,555.93

Finding the Fourth Proportional to 26,162.88, 36,090 and 15,555.93

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Solution

The fourth proportional to 26,162.88, 36,090 and 15,555.93 is: 21,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.88 : 36,090 = 15,555.93 : x
  2. Step 2: Convert to fraction form
    26,162.88/36,090 = 15,555.93/x
  3. Step 3: Cross multiply
    26,162.88x = 36,090 × 15,555.93
  4. Step 4: Simplify right side
    26,162.88x = 561,413,513.70
  5. Step 5: Solve for x
    x = 561,413,513.70/26,162.88
  6. Step 6: Final answer
    x = 21,458.40

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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.