Home / 25,950.39-35,814.19-15,885.48

Finding the Fourth Proportional to 25,950.39, 35,814.19 and 15,885.48

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Solution

The fourth proportional to 25,950.39, 35,814.19 and 15,885.48 is: 21,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.39 : 35,814.19 = 15,885.48 : x
  2. Step 2: Convert to fraction form
    25,950.39/35,814.19 = 15,885.48/x
  3. Step 3: Cross multiply
    25,950.39x = 35,814.19 × 15,885.48
  4. Step 4: Simplify right side
    25,950.39x = 568,925,559.25
  5. Step 5: Solve for x
    x = 568,925,559.25/25,950.39
  6. Step 6: Final answer
    x = 21,923.58

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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.