Home / 26,921.38-40,387.47-9,386.50

Finding the Fourth Proportional to 26,921.38, 40,387.47 and 9,386.50

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Solution

The fourth proportional to 26,921.38, 40,387.47 and 9,386.50 is: 14,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.38 : 40,387.47 = 9,386.50 : x
  2. Step 2: Convert to fraction form
    26,921.38/40,387.47 = 9,386.50/x
  3. Step 3: Cross multiply
    26,921.38x = 40,387.47 × 9,386.50
  4. Step 4: Simplify right side
    26,921.38x = 379,096,987.16
  5. Step 5: Solve for x
    x = 379,096,987.16/26,921.38
  6. Step 6: Final answer
    x = 14,081.63

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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.