Home / 19,405.44-26,779.68-10,908

Finding the Fourth Proportional to 19,405.44, 26,779.68 and 10,908

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Solution

The fourth proportional to 19,405.44, 26,779.68 and 10,908 is: 15,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.44 : 26,779.68 = 10,908 : x
  2. Step 2: Convert to fraction form
    19,405.44/26,779.68 = 10,908/x
  3. Step 3: Cross multiply
    19,405.44x = 26,779.68 × 10,908
  4. Step 4: Simplify right side
    19,405.44x = 292,112,749.44
  5. Step 5: Solve for x
    x = 292,112,749.44/19,405.44
  6. Step 6: Final answer
    x = 15,053.14

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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.