Home / 28,402.55-39,198.44-17,075.74

Finding the Fourth Proportional to 28,402.55, 39,198.44 and 17,075.74

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Solution

The fourth proportional to 28,402.55, 39,198.44 and 17,075.74 is: 23,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.55 : 39,198.44 = 17,075.74 : x
  2. Step 2: Convert to fraction form
    28,402.55/39,198.44 = 17,075.74/x
  3. Step 3: Cross multiply
    28,402.55x = 39,198.44 × 17,075.74
  4. Step 4: Simplify right side
    28,402.55x = 669,342,369.85
  5. Step 5: Solve for x
    x = 669,342,369.85/28,402.55
  6. Step 6: Final answer
    x = 23,566.28

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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.