Home / 28,587.09-39,450.19-17,409.09

Finding the Fourth Proportional to 28,587.09, 39,450.19 and 17,409.09

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Solution

The fourth proportional to 28,587.09, 39,450.19 and 17,409.09 is: 24,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.09 : 39,450.19 = 17,409.09 : x
  2. Step 2: Convert to fraction form
    28,587.09/39,450.19 = 17,409.09/x
  3. Step 3: Cross multiply
    28,587.09x = 39,450.19 × 17,409.09
  4. Step 4: Simplify right side
    28,587.09x = 686,792,045.28
  5. Step 5: Solve for x
    x = 686,792,045.28/28,587.09
  6. Step 6: Final answer
    x = 24,024.55

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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.