Home / 38,859.12-53,566.74-28,099.08

Finding the Fourth Proportional to 38,859.12, 53,566.74 and 28,099.08

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Solution

The fourth proportional to 38,859.12, 53,566.74 and 28,099.08 is: 38,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.12 : 53,566.74 = 28,099.08 : x
  2. Step 2: Convert to fraction form
    38,859.12/53,566.74 = 28,099.08/x
  3. Step 3: Cross multiply
    38,859.12x = 53,566.74 × 28,099.08
  4. Step 4: Simplify right side
    38,859.12x = 1,505,176,112.60
  5. Step 5: Solve for x
    x = 1,505,176,112.60/38,859.12
  6. Step 6: Final answer
    x = 38,734.18

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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.