Home / 28,738.88-43,108.32-9,015.84

Finding the Fourth Proportional to 28,738.88, 43,108.32 and 9,015.84

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Solution

The fourth proportional to 28,738.88, 43,108.32 and 9,015.84 is: 13,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.88 : 43,108.32 = 9,015.84 : x
  2. Step 2: Convert to fraction form
    28,738.88/43,108.32 = 9,015.84/x
  3. Step 3: Cross multiply
    28,738.88x = 43,108.32 × 9,015.84
  4. Step 4: Simplify right side
    28,738.88x = 388,657,715.79
  5. Step 5: Solve for x
    x = 388,657,715.79/28,738.88
  6. Step 6: Final answer
    x = 13,523.76

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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.