Home / 26,054.28-39,089.86-8,520.12

Finding the Fourth Proportional to 26,054.28, 39,089.86 and 8,520.12

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Solution

The fourth proportional to 26,054.28, 39,089.86 and 8,520.12 is: 12,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,054.28 : 39,089.86 = 8,520.12 : x
  2. Step 2: Convert to fraction form
    26,054.28/39,089.86 = 8,520.12/x
  3. Step 3: Cross multiply
    26,054.28x = 39,089.86 × 8,520.12
  4. Step 4: Simplify right side
    26,054.28x = 333,050,297.98
  5. Step 5: Solve for x
    x = 333,050,297.98/26,054.28
  6. Step 6: Final answer
    x = 12,782.94

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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.