Home / 25,743.84-35,536.92-21,785.52

Finding the Fourth Proportional to 25,743.84, 35,536.92 and 21,785.52

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Solution

The fourth proportional to 25,743.84, 35,536.92 and 21,785.52 is: 30,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.84 : 35,536.92 = 21,785.52 : x
  2. Step 2: Convert to fraction form
    25,743.84/35,536.92 = 21,785.52/x
  3. Step 3: Cross multiply
    25,743.84x = 35,536.92 × 21,785.52
  4. Step 4: Simplify right side
    25,743.84x = 774,190,281.40
  5. Step 5: Solve for x
    x = 774,190,281.40/25,743.84
  6. Step 6: Final answer
    x = 30,072.84

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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.