Home / 28,720.98-39,622.77-17,536.50

Finding the Fourth Proportional to 28,720.98, 39,622.77 and 17,536.50

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Solution

The fourth proportional to 28,720.98, 39,622.77 and 17,536.50 is: 24,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720.98 : 39,622.77 = 17,536.50 : x
  2. Step 2: Convert to fraction form
    28,720.98/39,622.77 = 17,536.50/x
  3. Step 3: Cross multiply
    28,720.98x = 39,622.77 × 17,536.50
  4. Step 4: Simplify right side
    28,720.98x = 694,844,706.11
  5. Step 5: Solve for x
    x = 694,844,706.11/28,720.98
  6. Step 6: Final answer
    x = 24,192.93

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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.