Home / 25,804.45-35,613.44-15,195.07

Finding the Fourth Proportional to 25,804.45, 35,613.44 and 15,195.07

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Solution

The fourth proportional to 25,804.45, 35,613.44 and 15,195.07 is: 20,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.45 : 35,613.44 = 15,195.07 : x
  2. Step 2: Convert to fraction form
    25,804.45/35,613.44 = 15,195.07/x
  3. Step 3: Cross multiply
    25,804.45x = 35,613.44 × 15,195.07
  4. Step 4: Simplify right side
    25,804.45x = 541,148,713.74
  5. Step 5: Solve for x
    x = 541,148,713.74/25,804.45
  6. Step 6: Final answer
    x = 20,971.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.