Home / 28,722.62-43,095.80-12,703.73

Finding the Fourth Proportional to 28,722.62, 43,095.80 and 12,703.73

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Solution

The fourth proportional to 28,722.62, 43,095.80 and 12,703.73 is: 19,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.62 : 43,095.80 = 12,703.73 : x
  2. Step 2: Convert to fraction form
    28,722.62/43,095.80 = 12,703.73/x
  3. Step 3: Cross multiply
    28,722.62x = 43,095.80 × 12,703.73
  4. Step 4: Simplify right side
    28,722.62x = 547,477,128.34
  5. Step 5: Solve for x
    x = 547,477,128.34/28,722.62
  6. Step 6: Final answer
    x = 19,060.84

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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.