Home / 38,809.23-53,547.78-28,069.84

Finding the Fourth Proportional to 38,809.23, 53,547.78 and 28,069.84

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Solution

The fourth proportional to 38,809.23, 53,547.78 and 28,069.84 is: 38,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809.23 : 53,547.78 = 28,069.84 : x
  2. Step 2: Convert to fraction form
    38,809.23/53,547.78 = 28,069.84/x
  3. Step 3: Cross multiply
    38,809.23x = 53,547.78 × 28,069.84
  4. Step 4: Simplify right side
    38,809.23x = 1,503,077,789.15
  5. Step 5: Solve for x
    x = 1,503,077,789.15/38,809.23
  6. Step 6: Final answer
    x = 38,729.91

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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.