Home / 27,453.02-37,887.09-15,517.46

Finding the Fourth Proportional to 27,453.02, 37,887.09 and 15,517.46

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Solution

The fourth proportional to 27,453.02, 37,887.09 and 15,517.46 is: 21,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.02 : 37,887.09 = 15,517.46 : x
  2. Step 2: Convert to fraction form
    27,453.02/37,887.09 = 15,517.46/x
  3. Step 3: Cross multiply
    27,453.02x = 37,887.09 × 15,517.46
  4. Step 4: Simplify right side
    27,453.02x = 587,911,403.59
  5. Step 5: Solve for x
    x = 587,911,403.59/27,453.02
  6. Step 6: Final answer
    x = 21,415.18

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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.