Home / 27,607.41-38,106.83-15,678.69

Finding the Fourth Proportional to 27,607.41, 38,106.83 and 15,678.69

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Solution

The fourth proportional to 27,607.41, 38,106.83 and 15,678.69 is: 21,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.41 : 38,106.83 = 15,678.69 : x
  2. Step 2: Convert to fraction form
    27,607.41/38,106.83 = 15,678.69/x
  3. Step 3: Cross multiply
    27,607.41x = 38,106.83 × 15,678.69
  4. Step 4: Simplify right side
    27,607.41x = 597,465,096.06
  5. Step 5: Solve for x
    x = 597,465,096.06/27,607.41
  6. Step 6: Final answer
    x = 21,641.48

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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.