Home / 28,762.26-39,704.17-19,336.29

Finding the Fourth Proportional to 28,762.26, 39,704.17 and 19,336.29

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Solution

The fourth proportional to 28,762.26, 39,704.17 and 19,336.29 is: 26,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.26 : 39,704.17 = 19,336.29 : x
  2. Step 2: Convert to fraction form
    28,762.26/39,704.17 = 19,336.29/x
  3. Step 3: Cross multiply
    28,762.26x = 39,704.17 × 19,336.29
  4. Step 4: Simplify right side
    28,762.26x = 767,731,494.22
  5. Step 5: Solve for x
    x = 767,731,494.22/28,762.26
  6. Step 6: Final answer
    x = 26,692.32

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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.