Home / 28,028.19-42,041.06-6,967.78

Finding the Fourth Proportional to 28,028.19, 42,041.06 and 6,967.78

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Solution

The fourth proportional to 28,028.19, 42,041.06 and 6,967.78 is: 10,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.19 : 42,041.06 = 6,967.78 : x
  2. Step 2: Convert to fraction form
    28,028.19/42,041.06 = 6,967.78/x
  3. Step 3: Cross multiply
    28,028.19x = 42,041.06 × 6,967.78
  4. Step 4: Simplify right side
    28,028.19x = 292,932,857.05
  5. Step 5: Solve for x
    x = 292,932,857.05/28,028.19
  6. Step 6: Final answer
    x = 10,451.37

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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.