Home / 25,318.36-37,977.63-7,788.07

Finding the Fourth Proportional to 25,318.36, 37,977.63 and 7,788.07

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Solution

The fourth proportional to 25,318.36, 37,977.63 and 7,788.07 is: 11,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.36 : 37,977.63 = 7,788.07 : x
  2. Step 2: Convert to fraction form
    25,318.36/37,977.63 = 7,788.07/x
  3. Step 3: Cross multiply
    25,318.36x = 37,977.63 × 7,788.07
  4. Step 4: Simplify right side
    25,318.36x = 295,772,440.87
  5. Step 5: Solve for x
    x = 295,772,440.87/25,318.36
  6. Step 6: Final answer
    x = 11,682.13

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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.