Home / 28,291.48-39,026.00-17,662.66

Finding the Fourth Proportional to 28,291.48, 39,026.00 and 17,662.66

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Solution

The fourth proportional to 28,291.48, 39,026.00 and 17,662.66 is: 24,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.48 : 39,026.00 = 17,662.66 : x
  2. Step 2: Convert to fraction form
    28,291.48/39,026.00 = 17,662.66/x
  3. Step 3: Cross multiply
    28,291.48x = 39,026.00 × 17,662.66
  4. Step 4: Simplify right side
    28,291.48x = 689,302,880.85
  5. Step 5: Solve for x
    x = 689,302,880.85/28,291.48
  6. Step 6: Final answer
    x = 24,364.33

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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.