Home / 27,061.85-37,321.16-16,991.22

Finding the Fourth Proportional to 27,061.85, 37,321.16 and 16,991.22

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Solution

The fourth proportional to 27,061.85, 37,321.16 and 16,991.22 is: 23,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.85 : 37,321.16 = 16,991.22 : x
  2. Step 2: Convert to fraction form
    27,061.85/37,321.16 = 16,991.22/x
  3. Step 3: Cross multiply
    27,061.85x = 37,321.16 × 16,991.22
  4. Step 4: Simplify right side
    27,061.85x = 634,131,955.26
  5. Step 5: Solve for x
    x = 634,131,955.26/27,061.85
  6. Step 6: Final answer
    x = 23,432.69

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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.