Home / 25,860.36-38,790.56-8,330.16

Finding the Fourth Proportional to 25,860.36, 38,790.56 and 8,330.16

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Solution

The fourth proportional to 25,860.36, 38,790.56 and 8,330.16 is: 12,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.36 : 38,790.56 = 8,330.16 : x
  2. Step 2: Convert to fraction form
    25,860.36/38,790.56 = 8,330.16/x
  3. Step 3: Cross multiply
    25,860.36x = 38,790.56 × 8,330.16
  4. Step 4: Simplify right side
    25,860.36x = 323,131,571.29
  5. Step 5: Solve for x
    x = 323,131,571.29/25,860.36
  6. Step 6: Final answer
    x = 12,495.25

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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.