Home / 27,063.99-37,348.02-15,128.55

Finding the Fourth Proportional to 27,063.99, 37,348.02 and 15,128.55

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Solution

The fourth proportional to 27,063.99, 37,348.02 and 15,128.55 is: 20,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,063.99 : 37,348.02 = 15,128.55 : x
  2. Step 2: Convert to fraction form
    27,063.99/37,348.02 = 15,128.55/x
  3. Step 3: Cross multiply
    27,063.99x = 37,348.02 × 15,128.55
  4. Step 4: Simplify right side
    27,063.99x = 565,021,387.97
  5. Step 5: Solve for x
    x = 565,021,387.97/27,063.99
  6. Step 6: Final answer
    x = 20,877.24

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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.