Home / 26,853.99-40,219.65-12,823.89

Finding the Fourth Proportional to 26,853.99, 40,219.65 and 12,823.89

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Solution

The fourth proportional to 26,853.99, 40,219.65 and 12,823.89 is: 19,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.99 : 40,219.65 = 12,823.89 : x
  2. Step 2: Convert to fraction form
    26,853.99/40,219.65 = 12,823.89/x
  3. Step 3: Cross multiply
    26,853.99x = 40,219.65 × 12,823.89
  4. Step 4: Simplify right side
    26,853.99x = 515,772,367.44
  5. Step 5: Solve for x
    x = 515,772,367.44/26,853.99
  6. Step 6: Final answer
    x = 19,206.55

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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.