Home / 28,002.51-41,940.81-13,180.14

Finding the Fourth Proportional to 28,002.51, 41,940.81 and 13,180.14

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Solution

The fourth proportional to 28,002.51, 41,940.81 and 13,180.14 is: 19,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.51 : 41,940.81 = 13,180.14 : x
  2. Step 2: Convert to fraction form
    28,002.51/41,940.81 = 13,180.14/x
  3. Step 3: Cross multiply
    28,002.51x = 41,940.81 × 13,180.14
  4. Step 4: Simplify right side
    28,002.51x = 552,785,747.51
  5. Step 5: Solve for x
    x = 552,785,747.51/28,002.51
  6. Step 6: Final answer
    x = 19,740.58

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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.