Home / 28,837.92-39,799.40-16,911.28

Finding the Fourth Proportional to 28,837.92, 39,799.40 and 16,911.28

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Solution

The fourth proportional to 28,837.92, 39,799.40 and 16,911.28 is: 23,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.92 : 39,799.40 = 16,911.28 : x
  2. Step 2: Convert to fraction form
    28,837.92/39,799.40 = 16,911.28/x
  3. Step 3: Cross multiply
    28,837.92x = 39,799.40 × 16,911.28
  4. Step 4: Simplify right side
    28,837.92x = 673,058,797.23
  5. Step 5: Solve for x
    x = 673,058,797.23/28,837.92
  6. Step 6: Final answer
    x = 23,339.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.