Home / 22,781.07-34,148.93-15,840.99

Finding the Fourth Proportional to 22,781.07, 34,148.93 and 15,840.99

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Solution

The fourth proportional to 22,781.07, 34,148.93 and 15,840.99 is: 23,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.07 : 34,148.93 = 15,840.99 : x
  2. Step 2: Convert to fraction form
    22,781.07/34,148.93 = 15,840.99/x
  3. Step 3: Cross multiply
    22,781.07x = 34,148.93 × 15,840.99
  4. Step 4: Simplify right side
    22,781.07x = 540,952,779.44
  5. Step 5: Solve for x
    x = 540,952,779.44/22,781.07
  6. Step 6: Final answer
    x = 23,745.71

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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.