Home / 25,970.36-38,924.77-11,918.54

Finding the Fourth Proportional to 25,970.36, 38,924.77 and 11,918.54

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Solution

The fourth proportional to 25,970.36, 38,924.77 and 11,918.54 is: 17,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.36 : 38,924.77 = 11,918.54 : x
  2. Step 2: Convert to fraction form
    25,970.36/38,924.77 = 11,918.54/x
  3. Step 3: Cross multiply
    25,970.36x = 38,924.77 × 11,918.54
  4. Step 4: Simplify right side
    25,970.36x = 463,926,368.64
  5. Step 5: Solve for x
    x = 463,926,368.64/25,970.36
  6. Step 6: Final answer
    x = 17,863.69

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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.