Home / 26,309.64-39,464.46-10,521.78

Finding the Fourth Proportional to 26,309.64, 39,464.46 and 10,521.78

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Solution

The fourth proportional to 26,309.64, 39,464.46 and 10,521.78 is: 15,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.64 : 39,464.46 = 10,521.78 : x
  2. Step 2: Convert to fraction form
    26,309.64/39,464.46 = 10,521.78/x
  3. Step 3: Cross multiply
    26,309.64x = 39,464.46 × 10,521.78
  4. Step 4: Simplify right side
    26,309.64x = 415,236,365.94
  5. Step 5: Solve for x
    x = 415,236,365.94/26,309.64
  6. Step 6: Final answer
    x = 15,782.67

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1.5x scale

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.