Home / 28,846.56-43,274.16-9,118.74

Finding the Fourth Proportional to 28,846.56, 43,274.16 and 9,118.74

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Solution

The fourth proportional to 28,846.56, 43,274.16 and 9,118.74 is: 13,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.56 : 43,274.16 = 9,118.74 : x
  2. Step 2: Convert to fraction form
    28,846.56/43,274.16 = 9,118.74/x
  3. Step 3: Cross multiply
    28,846.56x = 43,274.16 × 9,118.74
  4. Step 4: Simplify right side
    28,846.56x = 394,605,813.76
  5. Step 5: Solve for x
    x = 394,605,813.76/28,846.56
  6. Step 6: Final answer
    x = 13,679.48

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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.