Home / 27,075.73-37,364.38-15,139.07

Finding the Fourth Proportional to 27,075.73, 37,364.38 and 15,139.07

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Solution

The fourth proportional to 27,075.73, 37,364.38 and 15,139.07 is: 20,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.73 : 37,364.38 = 15,139.07 : x
  2. Step 2: Convert to fraction form
    27,075.73/37,364.38 = 15,139.07/x
  3. Step 3: Cross multiply
    27,075.73x = 37,364.38 × 15,139.07
  4. Step 4: Simplify right side
    27,075.73x = 565,661,777.50
  5. Step 5: Solve for x
    x = 565,661,777.50/27,075.73
  6. Step 6: Final answer
    x = 20,891.84

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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.