Home / 26,818.80-40,223.64-7,099.35

Finding the Fourth Proportional to 26,818.80, 40,223.64 and 7,099.35

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Solution

The fourth proportional to 26,818.80, 40,223.64 and 7,099.35 is: 10,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.80 : 40,223.64 = 7,099.35 : x
  2. Step 2: Convert to fraction form
    26,818.80/40,223.64 = 7,099.35/x
  3. Step 3: Cross multiply
    26,818.80x = 40,223.64 × 7,099.35
  4. Step 4: Simplify right side
    26,818.80x = 285,561,698.63
  5. Step 5: Solve for x
    x = 285,561,698.63/26,818.80
  6. Step 6: Final answer
    x = 10,647.82

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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.