Home / 25,946.69-35,809.13-15,881.84

Finding the Fourth Proportional to 25,946.69, 35,809.13 and 15,881.84

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Solution

The fourth proportional to 25,946.69, 35,809.13 and 15,881.84 is: 21,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,946.69 : 35,809.13 = 15,881.84 : x
  2. Step 2: Convert to fraction form
    25,946.69/35,809.13 = 15,881.84/x
  3. Step 3: Cross multiply
    25,946.69x = 35,809.13 × 15,881.84
  4. Step 4: Simplify right side
    25,946.69x = 568,714,873.20
  5. Step 5: Solve for x
    x = 568,714,873.20/25,946.69
  6. Step 6: Final answer
    x = 21,918.59

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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.