Home / 38,828.64-53,512.46-28,199.82

Finding the Fourth Proportional to 38,828.64, 53,512.46 and 28,199.82

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Solution

The fourth proportional to 38,828.64, 53,512.46 and 28,199.82 is: 38,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.64 : 53,512.46 = 28,199.82 : x
  2. Step 2: Convert to fraction form
    38,828.64/53,512.46 = 28,199.82/x
  3. Step 3: Cross multiply
    38,828.64x = 53,512.46 × 28,199.82
  4. Step 4: Simplify right side
    38,828.64x = 1,509,041,739.76
  5. Step 5: Solve for x
    x = 1,509,041,739.76/38,828.64
  6. Step 6: Final answer
    x = 38,864.14

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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.