Home / 27,875.26-38,467.74-15,299.74

Finding the Fourth Proportional to 27,875.26, 38,467.74 and 15,299.74

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Solution

The fourth proportional to 27,875.26, 38,467.74 and 15,299.74 is: 21,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.26 : 38,467.74 = 15,299.74 : x
  2. Step 2: Convert to fraction form
    27,875.26/38,467.74 = 15,299.74/x
  3. Step 3: Cross multiply
    27,875.26x = 38,467.74 × 15,299.74
  4. Step 4: Simplify right side
    27,875.26x = 588,546,420.39
  5. Step 5: Solve for x
    x = 588,546,420.39/27,875.26
  6. Step 6: Final answer
    x = 21,113.58

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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.