Home / 27,081.90-37,376.50-15,145.91

Finding the Fourth Proportional to 27,081.90, 37,376.50 and 15,145.91

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Solution

The fourth proportional to 27,081.90, 37,376.50 and 15,145.91 is: 20,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.90 : 37,376.50 = 15,145.91 : x
  2. Step 2: Convert to fraction form
    27,081.90/37,376.50 = 15,145.91/x
  3. Step 3: Cross multiply
    27,081.90x = 37,376.50 × 15,145.91
  4. Step 4: Simplify right side
    27,081.90x = 566,101,105.12
  5. Step 5: Solve for x
    x = 566,101,105.12/27,081.90
  6. Step 6: Final answer
    x = 20,903.30

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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.