Home / 26,509.32-39,731.60-12,450.58

Finding the Fourth Proportional to 26,509.32, 39,731.60 and 12,450.58

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Solution

The fourth proportional to 26,509.32, 39,731.60 and 12,450.58 is: 18,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.32 : 39,731.60 = 12,450.58 : x
  2. Step 2: Convert to fraction form
    26,509.32/39,731.60 = 12,450.58/x
  3. Step 3: Cross multiply
    26,509.32x = 39,731.60 × 12,450.58
  4. Step 4: Simplify right side
    26,509.32x = 494,681,396.13
  5. Step 5: Solve for x
    x = 494,681,396.13/26,509.32
  6. Step 6: Final answer
    x = 18,660.66

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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.