Home / 19,104.24-28,657.74-7,999.76

Finding the Fourth Proportional to 19,104.24, 28,657.74 and 7,999.76

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Solution

The fourth proportional to 19,104.24, 28,657.74 and 7,999.76 is: 12,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.24 : 28,657.74 = 7,999.76 : x
  2. Step 2: Convert to fraction form
    19,104.24/28,657.74 = 7,999.76/x
  3. Step 3: Cross multiply
    19,104.24x = 28,657.74 × 7,999.76
  4. Step 4: Simplify right side
    19,104.24x = 229,255,042.14
  5. Step 5: Solve for x
    x = 229,255,042.14/19,104.24
  6. Step 6: Final answer
    x = 12,000.22

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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.