Home / 26,412.12-39,617.88-6,421.73

Finding the Fourth Proportional to 26,412.12, 39,617.88 and 6,421.73

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Solution

The fourth proportional to 26,412.12, 39,617.88 and 6,421.73 is: 9,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.12 : 39,617.88 = 6,421.73 : x
  2. Step 2: Convert to fraction form
    26,412.12/39,617.88 = 6,421.73/x
  3. Step 3: Cross multiply
    26,412.12x = 39,617.88 × 6,421.73
  4. Step 4: Simplify right side
    26,412.12x = 254,415,130.44
  5. Step 5: Solve for x
    x = 254,415,130.44/26,412.12
  6. Step 6: Final answer
    x = 9,632.51

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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.