Home / 27,318.02-40,907.32-21,779.44

Finding the Fourth Proportional to 27,318.02, 40,907.32 and 21,779.44

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Solution

The fourth proportional to 27,318.02, 40,907.32 and 21,779.44 is: 32,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.02 : 40,907.32 = 21,779.44 : x
  2. Step 2: Convert to fraction form
    27,318.02/40,907.32 = 21,779.44/x
  3. Step 3: Cross multiply
    27,318.02x = 40,907.32 × 21,779.44
  4. Step 4: Simplify right side
    27,318.02x = 890,938,759.61
  5. Step 5: Solve for x
    x = 890,938,759.61/27,318.02
  6. Step 6: Final answer
    x = 32,613.59

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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.