Home / 27,938.34-41,908.81-9,220.02

Finding the Fourth Proportional to 27,938.34, 41,908.81 and 9,220.02

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Solution

The fourth proportional to 27,938.34, 41,908.81 and 9,220.02 is: 13,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.34 : 41,908.81 = 9,220.02 : x
  2. Step 2: Convert to fraction form
    27,938.34/41,908.81 = 9,220.02/x
  3. Step 3: Cross multiply
    27,938.34x = 41,908.81 × 9,220.02
  4. Step 4: Simplify right side
    27,938.34x = 386,400,066.38
  5. Step 5: Solve for x
    x = 386,400,066.38/27,938.34
  6. Step 6: Final answer
    x = 13,830.46

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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.