Home / 27,629.89-38,119.24-18,075.22

Finding the Fourth Proportional to 27,629.89, 38,119.24 and 18,075.22

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Solution

The fourth proportional to 27,629.89, 38,119.24 and 18,075.22 is: 24,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.89 : 38,119.24 = 18,075.22 : x
  2. Step 2: Convert to fraction form
    27,629.89/38,119.24 = 18,075.22/x
  3. Step 3: Cross multiply
    27,629.89x = 38,119.24 × 18,075.22
  4. Step 4: Simplify right side
    27,629.89x = 689,013,649.23
  5. Step 5: Solve for x
    x = 689,013,649.23/27,629.89
  6. Step 6: Final answer
    x = 24,937.26

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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.