Home / 26,438.22-39,621.60-9,782.64

Finding the Fourth Proportional to 26,438.22, 39,621.60 and 9,782.64

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Solution

The fourth proportional to 26,438.22, 39,621.60 and 9,782.64 is: 14,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.22 : 39,621.60 = 9,782.64 : x
  2. Step 2: Convert to fraction form
    26,438.22/39,621.60 = 9,782.64/x
  3. Step 3: Cross multiply
    26,438.22x = 39,621.60 × 9,782.64
  4. Step 4: Simplify right side
    26,438.22x = 387,603,849.02
  5. Step 5: Solve for x
    x = 387,603,849.02/26,438.22
  6. Step 6: Final answer
    x = 14,660.74

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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.