Home / 28,835.36-43,250.91-13,853.19

Finding the Fourth Proportional to 28,835.36, 43,250.91 and 13,853.19

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Solution

The fourth proportional to 28,835.36, 43,250.91 and 13,853.19 is: 20,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.36 : 43,250.91 = 13,853.19 : x
  2. Step 2: Convert to fraction form
    28,835.36/43,250.91 = 13,853.19/x
  3. Step 3: Cross multiply
    28,835.36x = 43,250.91 × 13,853.19
  4. Step 4: Simplify right side
    28,835.36x = 599,163,073.90
  5. Step 5: Solve for x
    x = 599,163,073.90/28,835.36
  6. Step 6: Final answer
    x = 20,778.77

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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.