Home / 27,746.69-38,289.65-15,170.63

Finding the Fourth Proportional to 27,746.69, 38,289.65 and 15,170.63

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Solution

The fourth proportional to 27,746.69, 38,289.65 and 15,170.63 is: 20,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.69 : 38,289.65 = 15,170.63 : x
  2. Step 2: Convert to fraction form
    27,746.69/38,289.65 = 15,170.63/x
  3. Step 3: Cross multiply
    27,746.69x = 38,289.65 × 15,170.63
  4. Step 4: Simplify right side
    27,746.69x = 580,877,845.68
  5. Step 5: Solve for x
    x = 580,877,845.68/27,746.69
  6. Step 6: Final answer
    x = 20,935.04

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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.