Home / 19,032.78-28,549.35-8,503.33

Finding the Fourth Proportional to 19,032.78, 28,549.35 and 8,503.33

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Solution

The fourth proportional to 19,032.78, 28,549.35 and 8,503.33 is: 12,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.78 : 28,549.35 = 8,503.33 : x
  2. Step 2: Convert to fraction form
    19,032.78/28,549.35 = 8,503.33/x
  3. Step 3: Cross multiply
    19,032.78x = 28,549.35 × 8,503.33
  4. Step 4: Simplify right side
    19,032.78x = 242,764,544.34
  5. Step 5: Solve for x
    x = 242,764,544.34/19,032.78
  6. Step 6: Final answer
    x = 12,755.08

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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.