Home / 28,021.49-42,032.15-8,301.58

Finding the Fourth Proportional to 28,021.49, 42,032.15 and 8,301.58

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Solution

The fourth proportional to 28,021.49, 42,032.15 and 8,301.58 is: 12,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.49 : 42,032.15 = 8,301.58 : x
  2. Step 2: Convert to fraction form
    28,021.49/42,032.15 = 8,301.58/x
  3. Step 3: Cross multiply
    28,021.49x = 42,032.15 × 8,301.58
  4. Step 4: Simplify right side
    28,021.49x = 348,933,255.80
  5. Step 5: Solve for x
    x = 348,933,255.80/28,021.49
  6. Step 6: Final answer
    x = 12,452.34

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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.