Home / 27,689.80-38,190.98-17,075.56

Finding the Fourth Proportional to 27,689.80, 38,190.98 and 17,075.56

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Solution

The fourth proportional to 27,689.80, 38,190.98 and 17,075.56 is: 23,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.80 : 38,190.98 = 17,075.56 : x
  2. Step 2: Convert to fraction form
    27,689.80/38,190.98 = 17,075.56/x
  3. Step 3: Cross multiply
    27,689.80x = 38,190.98 × 17,075.56
  4. Step 4: Simplify right side
    27,689.80x = 652,132,370.45
  5. Step 5: Solve for x
    x = 652,132,370.45/27,689.80
  6. Step 6: Final answer
    x = 23,551.36

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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.