Home / 26,361.36-39,547.56-10,779

Finding the Fourth Proportional to 26,361.36, 39,547.56 and 10,779

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Solution

The fourth proportional to 26,361.36, 39,547.56 and 10,779 is: 16,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.36 : 39,547.56 = 10,779 : x
  2. Step 2: Convert to fraction form
    26,361.36/39,547.56 = 10,779/x
  3. Step 3: Cross multiply
    26,361.36x = 39,547.56 × 10,779
  4. Step 4: Simplify right side
    26,361.36x = 426,283,149.24
  5. Step 5: Solve for x
    x = 426,283,149.24/26,361.36
  6. Step 6: Final answer
    x = 16,170.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.