Home / 27,091.88-37,386.24-15,155.31

Finding the Fourth Proportional to 27,091.88, 37,386.24 and 15,155.31

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Solution

The fourth proportional to 27,091.88, 37,386.24 and 15,155.31 is: 20,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.88 : 37,386.24 = 15,155.31 : x
  2. Step 2: Convert to fraction form
    27,091.88/37,386.24 = 15,155.31/x
  3. Step 3: Cross multiply
    27,091.88x = 37,386.24 × 15,155.31
  4. Step 4: Simplify right side
    27,091.88x = 566,600,140.30
  5. Step 5: Solve for x
    x = 566,600,140.30/27,091.88
  6. Step 6: Final answer
    x = 20,914.02

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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.