Home / 28,634.12-39,515-16,059.14

Finding the Fourth Proportional to 28,634.12, 39,515 and 16,059.14

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Solution

The fourth proportional to 28,634.12, 39,515 and 16,059.14 is: 22,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.12 : 39,515 = 16,059.14 : x
  2. Step 2: Convert to fraction form
    28,634.12/39,515 = 16,059.14/x
  3. Step 3: Cross multiply
    28,634.12x = 39,515 × 16,059.14
  4. Step 4: Simplify right side
    28,634.12x = 634,576,917.10
  5. Step 5: Solve for x
    x = 634,576,917.10/28,634.12
  6. Step 6: Final answer
    x = 22,161.57

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1.5x scale

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.