Home / 27,119.50-37,420.45-17,040.80

Finding the Fourth Proportional to 27,119.50, 37,420.45 and 17,040.80

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Solution

The fourth proportional to 27,119.50, 37,420.45 and 17,040.80 is: 23,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.50 : 37,420.45 = 17,040.80 : x
  2. Step 2: Convert to fraction form
    27,119.50/37,420.45 = 17,040.80/x
  3. Step 3: Cross multiply
    27,119.50x = 37,420.45 × 17,040.80
  4. Step 4: Simplify right side
    27,119.50x = 637,674,404.36
  5. Step 5: Solve for x
    x = 637,674,404.36/27,119.50
  6. Step 6: Final answer
    x = 23,513.51

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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.