Home / 27,447.54-37,878.36-15,510.63

Finding the Fourth Proportional to 27,447.54, 37,878.36 and 15,510.63

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Solution

The fourth proportional to 27,447.54, 37,878.36 and 15,510.63 is: 21,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.54 : 37,878.36 = 15,510.63 : x
  2. Step 2: Convert to fraction form
    27,447.54/37,878.36 = 15,510.63/x
  3. Step 3: Cross multiply
    27,447.54x = 37,878.36 × 15,510.63
  4. Step 4: Simplify right side
    27,447.54x = 587,517,226.97
  5. Step 5: Solve for x
    x = 587,517,226.97/27,447.54
  6. Step 6: Final answer
    x = 21,405.10

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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.