Home / 28,071.36-42,092.92-9,344.72

Finding the Fourth Proportional to 28,071.36, 42,092.92 and 9,344.72

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Solution

The fourth proportional to 28,071.36, 42,092.92 and 9,344.72 is: 14,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.36 : 42,092.92 = 9,344.72 : x
  2. Step 2: Convert to fraction form
    28,071.36/42,092.92 = 9,344.72/x
  3. Step 3: Cross multiply
    28,071.36x = 42,092.92 × 9,344.72
  4. Step 4: Simplify right side
    28,071.36x = 393,346,378.96
  5. Step 5: Solve for x
    x = 393,346,378.96/28,071.36
  6. Step 6: Final answer
    x = 14,012.37

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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.