Home / 26,313.21-36,311.31-15,697.35

Finding the Fourth Proportional to 26,313.21, 36,311.31 and 15,697.35

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Solution

The fourth proportional to 26,313.21, 36,311.31 and 15,697.35 is: 21,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.21 : 36,311.31 = 15,697.35 : x
  2. Step 2: Convert to fraction form
    26,313.21/36,311.31 = 15,697.35/x
  3. Step 3: Cross multiply
    26,313.21x = 36,311.31 × 15,697.35
  4. Step 4: Simplify right side
    26,313.21x = 569,991,342.03
  5. Step 5: Solve for x
    x = 569,991,342.03/26,313.21
  6. Step 6: Final answer
    x = 21,661.79

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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.