Home / 28,974.36-43,459.38-9,255

Finding the Fourth Proportional to 28,974.36, 43,459.38 and 9,255

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Solution

The fourth proportional to 28,974.36, 43,459.38 and 9,255 is: 13,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.36 : 43,459.38 = 9,255 : x
  2. Step 2: Convert to fraction form
    28,974.36/43,459.38 = 9,255/x
  3. Step 3: Cross multiply
    28,974.36x = 43,459.38 × 9,255
  4. Step 4: Simplify right side
    28,974.36x = 402,216,561.90
  5. Step 5: Solve for x
    x = 402,216,561.90/28,974.36
  6. Step 6: Final answer
    x = 13,881.81

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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.