Home / 22,779.80-34,161.60-10,305.80

Finding the Fourth Proportional to 22,779.80, 34,161.60 and 10,305.80

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Solution

The fourth proportional to 22,779.80, 34,161.60 and 10,305.80 is: 15,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.80 : 34,161.60 = 10,305.80 : x
  2. Step 2: Convert to fraction form
    22,779.80/34,161.60 = 10,305.80/x
  3. Step 3: Cross multiply
    22,779.80x = 34,161.60 × 10,305.80
  4. Step 4: Simplify right side
    22,779.80x = 352,062,617.28
  5. Step 5: Solve for x
    x = 352,062,617.28/22,779.80
  6. Step 6: Final answer
    x = 15,455.04

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1.5x scale

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.