Home / 27,085.36-37,378.60-15,148.44

Finding the Fourth Proportional to 27,085.36, 37,378.60 and 15,148.44

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Solution

The fourth proportional to 27,085.36, 37,378.60 and 15,148.44 is: 20,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.36 : 37,378.60 = 15,148.44 : x
  2. Step 2: Convert to fraction form
    27,085.36/37,378.60 = 15,148.44/x
  3. Step 3: Cross multiply
    27,085.36x = 37,378.60 × 15,148.44
  4. Step 4: Simplify right side
    27,085.36x = 566,227,479.38
  5. Step 5: Solve for x
    x = 566,227,479.38/27,085.36
  6. Step 6: Final answer
    x = 20,905.30

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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.