Home / 27,315.08-37,696.16-15,379.74

Finding the Fourth Proportional to 27,315.08, 37,696.16 and 15,379.74

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Solution

The fourth proportional to 27,315.08, 37,696.16 and 15,379.74 is: 21,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.08 : 37,696.16 = 15,379.74 : x
  2. Step 2: Convert to fraction form
    27,315.08/37,696.16 = 15,379.74/x
  3. Step 3: Cross multiply
    27,315.08x = 37,696.16 × 15,379.74
  4. Step 4: Simplify right side
    27,315.08x = 579,757,139.80
  5. Step 5: Solve for x
    x = 579,757,139.80/27,315.08
  6. Step 6: Final answer
    x = 21,224.80

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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.