Home / 19,029.15-28,543.91-8,499.69

Finding the Fourth Proportional to 19,029.15, 28,543.91 and 8,499.69

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Solution

The fourth proportional to 19,029.15, 28,543.91 and 8,499.69 is: 12,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.15 : 28,543.91 = 8,499.69 : x
  2. Step 2: Convert to fraction form
    19,029.15/28,543.91 = 8,499.69/x
  3. Step 3: Cross multiply
    19,029.15x = 28,543.91 × 8,499.69
  4. Step 4: Simplify right side
    19,029.15x = 242,614,343.89
  5. Step 5: Solve for x
    x = 242,614,343.89/19,029.15
  6. Step 6: Final answer
    x = 12,749.62

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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.