Home / 28,164.89-38,778.95-23,907.06

Finding the Fourth Proportional to 28,164.89, 38,778.95 and 23,907.06

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Solution

The fourth proportional to 28,164.89, 38,778.95 and 23,907.06 is: 32,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.89 : 38,778.95 = 23,907.06 : x
  2. Step 2: Convert to fraction form
    28,164.89/38,778.95 = 23,907.06/x
  3. Step 3: Cross multiply
    28,164.89x = 38,778.95 × 23,907.06
  4. Step 4: Simplify right side
    28,164.89x = 927,090,744.15
  5. Step 5: Solve for x
    x = 927,090,744.15/28,164.89
  6. Step 6: Final answer
    x = 32,916.54

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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.