Home / 25,309.21-37,967.45-7,780.51

Finding the Fourth Proportional to 25,309.21, 37,967.45 and 7,780.51

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Solution

The fourth proportional to 25,309.21, 37,967.45 and 7,780.51 is: 11,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.21 : 37,967.45 = 7,780.51 : x
  2. Step 2: Convert to fraction form
    25,309.21/37,967.45 = 7,780.51/x
  3. Step 3: Cross multiply
    25,309.21x = 37,967.45 × 7,780.51
  4. Step 4: Simplify right side
    25,309.21x = 295,406,124.40
  5. Step 5: Solve for x
    x = 295,406,124.40/25,309.21
  6. Step 6: Final answer
    x = 11,671.88

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