Home / 31,877.72-43,991.27-17,730.26

Finding the Fourth Proportional to 31,877.72, 43,991.27 and 17,730.26

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Solution

The fourth proportional to 31,877.72, 43,991.27 and 17,730.26 is: 24,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.72 : 43,991.27 = 17,730.26 : x
  2. Step 2: Convert to fraction form
    31,877.72/43,991.27 = 17,730.26/x
  3. Step 3: Cross multiply
    31,877.72x = 43,991.27 × 17,730.26
  4. Step 4: Simplify right side
    31,877.72x = 779,976,577.68
  5. Step 5: Solve for x
    x = 779,976,577.68/31,877.72
  6. Step 6: Final answer
    x = 24,467.77

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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.