Home / 27,877.45-41,748-25,178.71

Finding the Fourth Proportional to 27,877.45, 41,748 and 25,178.71

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Solution

The fourth proportional to 27,877.45, 41,748 and 25,178.71 is: 37,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.45 : 41,748 = 25,178.71 : x
  2. Step 2: Convert to fraction form
    27,877.45/41,748 = 25,178.71/x
  3. Step 3: Cross multiply
    27,877.45x = 41,748 × 25,178.71
  4. Step 4: Simplify right side
    27,877.45x = 1,051,160,785.08
  5. Step 5: Solve for x
    x = 1,051,160,785.08/27,877.45
  6. Step 6: Final answer
    x = 37,706.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.