Home / 27,338.15-37,720.01-15,401.48

Finding the Fourth Proportional to 27,338.15, 37,720.01 and 15,401.48

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Solution

The fourth proportional to 27,338.15, 37,720.01 and 15,401.48 is: 21,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.15 : 37,720.01 = 15,401.48 : x
  2. Step 2: Convert to fraction form
    27,338.15/37,720.01 = 15,401.48/x
  3. Step 3: Cross multiply
    27,338.15x = 37,720.01 × 15,401.48
  4. Step 4: Simplify right side
    27,338.15x = 580,943,829.52
  5. Step 5: Solve for x
    x = 580,943,829.52/27,338.15
  6. Step 6: Final answer
    x = 21,250.30

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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.