Home / 19,325.22-28,987.61-10,892.36

Finding the Fourth Proportional to 19,325.22, 28,987.61 and 10,892.36

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Solution

The fourth proportional to 19,325.22, 28,987.61 and 10,892.36 is: 16,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.22 : 28,987.61 = 10,892.36 : x
  2. Step 2: Convert to fraction form
    19,325.22/28,987.61 = 10,892.36/x
  3. Step 3: Cross multiply
    19,325.22x = 28,987.61 × 10,892.36
  4. Step 4: Simplify right side
    19,325.22x = 315,743,338.61
  5. Step 5: Solve for x
    x = 315,743,338.61/19,325.22
  6. Step 6: Final answer
    x = 16,338.41

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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.