Home / 27,091.64-37,388.18-15,155.06

Finding the Fourth Proportional to 27,091.64, 37,388.18 and 15,155.06

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Solution

The fourth proportional to 27,091.64, 37,388.18 and 15,155.06 is: 20,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.64 : 37,388.18 = 15,155.06 : x
  2. Step 2: Convert to fraction form
    27,091.64/37,388.18 = 15,155.06/x
  3. Step 3: Cross multiply
    27,091.64x = 37,388.18 × 15,155.06
  4. Step 4: Simplify right side
    27,091.64x = 566,619,962.14
  5. Step 5: Solve for x
    x = 566,619,962.14/27,091.64
  6. Step 6: Final answer
    x = 20,914.94

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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.