Home / 27,137.79-37,449.95-15,201.23

Finding the Fourth Proportional to 27,137.79, 37,449.95 and 15,201.23

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Solution

The fourth proportional to 27,137.79, 37,449.95 and 15,201.23 is: 20,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.79 : 37,449.95 = 15,201.23 : x
  2. Step 2: Convert to fraction form
    27,137.79/37,449.95 = 15,201.23/x
  3. Step 3: Cross multiply
    27,137.79x = 37,449.95 × 15,201.23
  4. Step 4: Simplify right side
    27,137.79x = 569,285,040.18
  5. Step 5: Solve for x
    x = 569,285,040.18/27,137.79
  6. Step 6: Final answer
    x = 20,977.58

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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.