Home / 25,280.36-37,920.56-6,812.36

Finding the Fourth Proportional to 25,280.36, 37,920.56 and 6,812.36

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Solution

The fourth proportional to 25,280.36, 37,920.56 and 6,812.36 is: 10,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.36 : 37,920.56 = 6,812.36 : x
  2. Step 2: Convert to fraction form
    25,280.36/37,920.56 = 6,812.36/x
  3. Step 3: Cross multiply
    25,280.36x = 37,920.56 × 6,812.36
  4. Step 4: Simplify right side
    25,280.36x = 258,328,506.12
  5. Step 5: Solve for x
    x = 258,328,506.12/25,280.36
  6. Step 6: Final answer
    x = 10,218.55

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1.5x scale

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.