Home / 27,357.87-41,036.81-21,126.98

Finding the Fourth Proportional to 27,357.87, 41,036.81 and 21,126.98

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Solution

The fourth proportional to 27,357.87, 41,036.81 and 21,126.98 is: 31,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.87 : 41,036.81 = 21,126.98 : x
  2. Step 2: Convert to fraction form
    27,357.87/41,036.81 = 21,126.98/x
  3. Step 3: Cross multiply
    27,357.87x = 41,036.81 × 21,126.98
  4. Step 4: Simplify right side
    27,357.87x = 866,983,553.31
  5. Step 5: Solve for x
    x = 866,983,553.31/27,357.87
  6. Step 6: Final answer
    x = 31,690.46

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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.