Home / 19,880.58-27,435.96-10,928.82

Finding the Fourth Proportional to 19,880.58, 27,435.96 and 10,928.82

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Solution

The fourth proportional to 19,880.58, 27,435.96 and 10,928.82 is: 15,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.58 : 27,435.96 = 10,928.82 : x
  2. Step 2: Convert to fraction form
    19,880.58/27,435.96 = 10,928.82/x
  3. Step 3: Cross multiply
    19,880.58x = 27,435.96 × 10,928.82
  4. Step 4: Simplify right side
    19,880.58x = 299,842,668.37
  5. Step 5: Solve for x
    x = 299,842,668.37/19,880.58
  6. Step 6: Final answer
    x = 15,082.19

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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.