Home / 26,528.37-36,661.66-21,740.77

Finding the Fourth Proportional to 26,528.37, 36,661.66 and 21,740.77

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Solution

The fourth proportional to 26,528.37, 36,661.66 and 21,740.77 is: 30,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.37 : 36,661.66 = 21,740.77 : x
  2. Step 2: Convert to fraction form
    26,528.37/36,661.66 = 21,740.77/x
  3. Step 3: Cross multiply
    26,528.37x = 36,661.66 × 21,740.77
  4. Step 4: Simplify right side
    26,528.37x = 797,052,676.98
  5. Step 5: Solve for x
    x = 797,052,676.98/26,528.37
  6. Step 6: Final answer
    x = 30,045.29

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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.