Home / 27,357.27-41,035.89-21,126.36

Finding the Fourth Proportional to 27,357.27, 41,035.89 and 21,126.36

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Solution

The fourth proportional to 27,357.27, 41,035.89 and 21,126.36 is: 31,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.27 : 41,035.89 = 21,126.36 : x
  2. Step 2: Convert to fraction form
    27,357.27/41,035.89 = 21,126.36/x
  3. Step 3: Cross multiply
    27,357.27x = 41,035.89 × 21,126.36
  4. Step 4: Simplify right side
    27,357.27x = 866,938,985.06
  5. Step 5: Solve for x
    x = 866,938,985.06/27,357.27
  6. Step 6: Final answer
    x = 31,689.53

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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.