Home / 25,615.36-35,361-18,067.84

Finding the Fourth Proportional to 25,615.36, 35,361 and 18,067.84

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Solution

The fourth proportional to 25,615.36, 35,361 and 18,067.84 is: 24,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.36 : 35,361 = 18,067.84 : x
  2. Step 2: Convert to fraction form
    25,615.36/35,361 = 18,067.84/x
  3. Step 3: Cross multiply
    25,615.36x = 35,361 × 18,067.84
  4. Step 4: Simplify right side
    25,615.36x = 638,896,890.24
  5. Step 5: Solve for x
    x = 638,896,890.24/25,615.36
  6. Step 6: Final answer
    x = 24,941.94

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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.