Home / 25,814.14-35,634.54-21,855.94

Finding the Fourth Proportional to 25,814.14, 35,634.54 and 21,855.94

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Solution

The fourth proportional to 25,814.14, 35,634.54 and 21,855.94 is: 30,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.14 : 35,634.54 = 21,855.94 : x
  2. Step 2: Convert to fraction form
    25,814.14/35,634.54 = 21,855.94/x
  3. Step 3: Cross multiply
    25,814.14x = 35,634.54 × 21,855.94
  4. Step 4: Simplify right side
    25,814.14x = 778,826,368.17
  5. Step 5: Solve for x
    x = 778,826,368.17/25,814.14
  6. Step 6: Final answer
    x = 30,170.53

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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.