Home / 27,040.22-37,315.29-15,716.35

Finding the Fourth Proportional to 27,040.22, 37,315.29 and 15,716.35

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Solution

The fourth proportional to 27,040.22, 37,315.29 and 15,716.35 is: 21,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.22 : 37,315.29 = 15,716.35 : x
  2. Step 2: Convert to fraction form
    27,040.22/37,315.29 = 15,716.35/x
  3. Step 3: Cross multiply
    27,040.22x = 37,315.29 × 15,716.35
  4. Step 4: Simplify right side
    27,040.22x = 586,460,064.70
  5. Step 5: Solve for x
    x = 586,460,064.70/27,040.22
  6. Step 6: Final answer
    x = 21,688.43

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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.