Home / 25,395.41-38,103.14-7,866.60

Finding the Fourth Proportional to 25,395.41, 38,103.14 and 7,866.60

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Solution

The fourth proportional to 25,395.41, 38,103.14 and 7,866.60 is: 11,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.41 : 38,103.14 = 7,866.60 : x
  2. Step 2: Convert to fraction form
    25,395.41/38,103.14 = 7,866.60/x
  3. Step 3: Cross multiply
    25,395.41x = 38,103.14 × 7,866.60
  4. Step 4: Simplify right side
    25,395.41x = 299,742,121.79
  5. Step 5: Solve for x
    x = 299,742,121.79/25,395.41
  6. Step 6: Final answer
    x = 11,803.01

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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.