Home / 28,852.54-43,278.47-9,131.07

Finding the Fourth Proportional to 28,852.54, 43,278.47 and 9,131.07

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Solution

The fourth proportional to 28,852.54, 43,278.47 and 9,131.07 is: 13,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.54 : 43,278.47 = 9,131.07 : x
  2. Step 2: Convert to fraction form
    28,852.54/43,278.47 = 9,131.07/x
  3. Step 3: Cross multiply
    28,852.54x = 43,278.47 × 9,131.07
  4. Step 4: Simplify right side
    28,852.54x = 395,178,739.06
  5. Step 5: Solve for x
    x = 395,178,739.06/28,852.54
  6. Step 6: Final answer
    x = 13,696.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.