Home / 28,290.96-39,030.12-17,093.52

Finding the Fourth Proportional to 28,290.96, 39,030.12 and 17,093.52

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Solution

The fourth proportional to 28,290.96, 39,030.12 and 17,093.52 is: 23,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.96 : 39,030.12 = 17,093.52 : x
  2. Step 2: Convert to fraction form
    28,290.96/39,030.12 = 17,093.52/x
  3. Step 3: Cross multiply
    28,290.96x = 39,030.12 × 17,093.52
  4. Step 4: Simplify right side
    28,290.96x = 667,162,136.82
  5. Step 5: Solve for x
    x = 667,162,136.82/28,290.96
  6. Step 6: Final answer
    x = 23,582.17

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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.