Home / 28,747.06-39,656.43-16,802.59

Finding the Fourth Proportional to 28,747.06, 39,656.43 and 16,802.59

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Solution

The fourth proportional to 28,747.06, 39,656.43 and 16,802.59 is: 23,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.06 : 39,656.43 = 16,802.59 : x
  2. Step 2: Convert to fraction form
    28,747.06/39,656.43 = 16,802.59/x
  3. Step 3: Cross multiply
    28,747.06x = 39,656.43 × 16,802.59
  4. Step 4: Simplify right side
    28,747.06x = 666,330,734.15
  5. Step 5: Solve for x
    x = 666,330,734.15/28,747.06
  6. Step 6: Final answer
    x = 23,179.09

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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.