Home / 28,961.42-39,969.52-17,628.44

Finding the Fourth Proportional to 28,961.42, 39,969.52 and 17,628.44

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Solution

The fourth proportional to 28,961.42, 39,969.52 and 17,628.44 is: 24,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.42 : 39,969.52 = 17,628.44 : x
  2. Step 2: Convert to fraction form
    28,961.42/39,969.52 = 17,628.44/x
  3. Step 3: Cross multiply
    28,961.42x = 39,969.52 × 17,628.44
  4. Step 4: Simplify right side
    28,961.42x = 704,600,041.23
  5. Step 5: Solve for x
    x = 704,600,041.23/28,961.42
  6. Step 6: Final answer
    x = 24,328.92

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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.