Home / 27,845.08-38,427.96-15,269.83

Finding the Fourth Proportional to 27,845.08, 38,427.96 and 15,269.83

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Solution

The fourth proportional to 27,845.08, 38,427.96 and 15,269.83 is: 21,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.08 : 38,427.96 = 15,269.83 : x
  2. Step 2: Convert to fraction form
    27,845.08/38,427.96 = 15,269.83/x
  3. Step 3: Cross multiply
    27,845.08x = 38,427.96 × 15,269.83
  4. Step 4: Simplify right side
    27,845.08x = 586,788,416.45
  5. Step 5: Solve for x
    x = 586,788,416.45/27,845.08
  6. Step 6: Final answer
    x = 21,073.32

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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.