Home / 28,410.69-39,210.09-17,085.96

Finding the Fourth Proportional to 28,410.69, 39,210.09 and 17,085.96

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Solution

The fourth proportional to 28,410.69, 39,210.09 and 17,085.96 is: 23,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.69 : 39,210.09 = 17,085.96 : x
  2. Step 2: Convert to fraction form
    28,410.69/39,210.09 = 17,085.96/x
  3. Step 3: Cross multiply
    28,410.69x = 39,210.09 × 17,085.96
  4. Step 4: Simplify right side
    28,410.69x = 669,942,029.34
  5. Step 5: Solve for x
    x = 669,942,029.34/28,410.69
  6. Step 6: Final answer
    x = 23,580.63

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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.