Home / 27,618.08-38,115.60-17,013.92

Finding the Fourth Proportional to 27,618.08, 38,115.60 and 17,013.92

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Solution

The fourth proportional to 27,618.08, 38,115.60 and 17,013.92 is: 23,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.08 : 38,115.60 = 17,013.92 : x
  2. Step 2: Convert to fraction form
    27,618.08/38,115.60 = 17,013.92/x
  3. Step 3: Cross multiply
    27,618.08x = 38,115.60 × 17,013.92
  4. Step 4: Simplify right side
    27,618.08x = 648,495,769.15
  5. Step 5: Solve for x
    x = 648,495,769.15/27,618.08
  6. Step 6: Final answer
    x = 23,480.84

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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.