Home / 28,904.48-43,311.36-17,211.32

Finding the Fourth Proportional to 28,904.48, 43,311.36 and 17,211.32

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Solution

The fourth proportional to 28,904.48, 43,311.36 and 17,211.32 is: 25,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.48 : 43,311.36 = 17,211.32 : x
  2. Step 2: Convert to fraction form
    28,904.48/43,311.36 = 17,211.32/x
  3. Step 3: Cross multiply
    28,904.48x = 43,311.36 × 17,211.32
  4. Step 4: Simplify right side
    28,904.48x = 745,445,676.60
  5. Step 5: Solve for x
    x = 745,445,676.60/28,904.48
  6. Step 6: Final answer
    x = 25,789.97

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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.