Home / 25,078.78-37,606.20-9,283.09

Finding the Fourth Proportional to 25,078.78, 37,606.20 and 9,283.09

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Solution

The fourth proportional to 25,078.78, 37,606.20 and 9,283.09 is: 13,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.78 : 37,606.20 = 9,283.09 : x
  2. Step 2: Convert to fraction form
    25,078.78/37,606.20 = 9,283.09/x
  3. Step 3: Cross multiply
    25,078.78x = 37,606.20 × 9,283.09
  4. Step 4: Simplify right side
    25,078.78x = 349,101,739.16
  5. Step 5: Solve for x
    x = 349,101,739.16/25,078.78
  6. Step 6: Final answer
    x = 13,920.20

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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.