Home / 27,315.45-37,696.03-15,379.22

Finding the Fourth Proportional to 27,315.45, 37,696.03 and 15,379.22

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Solution

The fourth proportional to 27,315.45, 37,696.03 and 15,379.22 is: 21,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.45 : 37,696.03 = 15,379.22 : x
  2. Step 2: Convert to fraction form
    27,315.45/37,696.03 = 15,379.22/x
  3. Step 3: Cross multiply
    27,315.45x = 37,696.03 × 15,379.22
  4. Step 4: Simplify right side
    27,315.45x = 579,735,538.50
  5. Step 5: Solve for x
    x = 579,735,538.50/27,315.45
  6. Step 6: Final answer
    x = 21,223.72

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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.