Home / 27,228.15-40,784.82-12,449.50

Finding the Fourth Proportional to 27,228.15, 40,784.82 and 12,449.50

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Solution

The fourth proportional to 27,228.15, 40,784.82 and 12,449.50 is: 18,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.15 : 40,784.82 = 12,449.50 : x
  2. Step 2: Convert to fraction form
    27,228.15/40,784.82 = 12,449.50/x
  3. Step 3: Cross multiply
    27,228.15x = 40,784.82 × 12,449.50
  4. Step 4: Simplify right side
    27,228.15x = 507,750,467.94
  5. Step 5: Solve for x
    x = 507,750,467.94/27,228.15
  6. Step 6: Final answer
    x = 18,648.00

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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.