Home / 27,135.95-37,448.28-15,198.98

Finding the Fourth Proportional to 27,135.95, 37,448.28 and 15,198.98

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Solution

The fourth proportional to 27,135.95, 37,448.28 and 15,198.98 is: 20,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.95 : 37,448.28 = 15,198.98 : x
  2. Step 2: Convert to fraction form
    27,135.95/37,448.28 = 15,198.98/x
  3. Step 3: Cross multiply
    27,135.95x = 37,448.28 × 15,198.98
  4. Step 4: Simplify right side
    27,135.95x = 569,175,471.51
  5. Step 5: Solve for x
    x = 569,175,471.51/27,135.95
  6. Step 6: Final answer
    x = 20,974.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.