Home / 28,373.09-39,154.29-17,768.57

Finding the Fourth Proportional to 28,373.09, 39,154.29 and 17,768.57

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Solution

The fourth proportional to 28,373.09, 39,154.29 and 17,768.57 is: 24,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.09 : 39,154.29 = 17,768.57 : x
  2. Step 2: Convert to fraction form
    28,373.09/39,154.29 = 17,768.57/x
  3. Step 3: Cross multiply
    28,373.09x = 39,154.29 × 17,768.57
  4. Step 4: Simplify right side
    28,373.09x = 695,715,480.26
  5. Step 5: Solve for x
    x = 695,715,480.26/28,373.09
  6. Step 6: Final answer
    x = 24,520.26

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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.