Home / 25,397.80-38,097.78-7,867.96

Finding the Fourth Proportional to 25,397.80, 38,097.78 and 7,867.96

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Solution

The fourth proportional to 25,397.80, 38,097.78 and 7,867.96 is: 11,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.80 : 38,097.78 = 7,867.96 : x
  2. Step 2: Convert to fraction form
    25,397.80/38,097.78 = 7,867.96/x
  3. Step 3: Cross multiply
    25,397.80x = 38,097.78 × 7,867.96
  4. Step 4: Simplify right side
    25,397.80x = 299,751,809.13
  5. Step 5: Solve for x
    x = 299,751,809.13/25,397.80
  6. Step 6: Final answer
    x = 11,802.27

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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.