Home / 28,842.36-43,263.24-9,120.91

Finding the Fourth Proportional to 28,842.36, 43,263.24 and 9,120.91

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Solution

The fourth proportional to 28,842.36, 43,263.24 and 9,120.91 is: 13,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.36 : 43,263.24 = 9,120.91 : x
  2. Step 2: Convert to fraction form
    28,842.36/43,263.24 = 9,120.91/x
  3. Step 3: Cross multiply
    28,842.36x = 43,263.24 × 9,120.91
  4. Step 4: Simplify right side
    28,842.36x = 394,600,118.35
  5. Step 5: Solve for x
    x = 394,600,118.35/28,842.36
  6. Step 6: Final answer
    x = 13,681.27

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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.