Home / 28,703.46-43,064.91-12,906.84

Finding the Fourth Proportional to 28,703.46, 43,064.91 and 12,906.84

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Solution

The fourth proportional to 28,703.46, 43,064.91 and 12,906.84 is: 19,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.46 : 43,064.91 = 12,906.84 : x
  2. Step 2: Convert to fraction form
    28,703.46/43,064.91 = 12,906.84/x
  3. Step 3: Cross multiply
    28,703.46x = 43,064.91 × 12,906.84
  4. Step 4: Simplify right side
    28,703.46x = 555,831,902.98
  5. Step 5: Solve for x
    x = 555,831,902.98/28,703.46
  6. Step 6: Final answer
    x = 19,364.63

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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.