Home / 27,448.02-37,880.19-15,512.46

Finding the Fourth Proportional to 27,448.02, 37,880.19 and 15,512.46

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Solution

The fourth proportional to 27,448.02, 37,880.19 and 15,512.46 is: 21,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.02 : 37,880.19 = 15,512.46 : x
  2. Step 2: Convert to fraction form
    27,448.02/37,880.19 = 15,512.46/x
  3. Step 3: Cross multiply
    27,448.02x = 37,880.19 × 15,512.46
  4. Step 4: Simplify right side
    27,448.02x = 587,614,932.17
  5. Step 5: Solve for x
    x = 587,614,932.17/27,448.02
  6. Step 6: Final answer
    x = 21,408.28

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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.