Home / 19,028.77-28,543.34-8,499.33

Finding the Fourth Proportional to 19,028.77, 28,543.34 and 8,499.33

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Solution

The fourth proportional to 19,028.77, 28,543.34 and 8,499.33 is: 12,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.77 : 28,543.34 = 8,499.33 : x
  2. Step 2: Convert to fraction form
    19,028.77/28,543.34 = 8,499.33/x
  3. Step 3: Cross multiply
    19,028.77x = 28,543.34 × 8,499.33
  4. Step 4: Simplify right side
    19,028.77x = 242,599,287.21
  5. Step 5: Solve for x
    x = 242,599,287.21/19,028.77
  6. Step 6: Final answer
    x = 12,749.08

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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.