Home / 27,228.82-40,830.99-12,434.26

Finding the Fourth Proportional to 27,228.82, 40,830.99 and 12,434.26

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Solution

The fourth proportional to 27,228.82, 40,830.99 and 12,434.26 is: 18,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.82 : 40,830.99 = 12,434.26 : x
  2. Step 2: Convert to fraction form
    27,228.82/40,830.99 = 12,434.26/x
  3. Step 3: Cross multiply
    27,228.82x = 40,830.99 × 12,434.26
  4. Step 4: Simplify right side
    27,228.82x = 507,703,145.72
  5. Step 5: Solve for x
    x = 507,703,145.72/27,228.82
  6. Step 6: Final answer
    x = 18,645.80

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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.