Home / 27,198.90-40,798.35-15,513.30

Finding the Fourth Proportional to 27,198.90, 40,798.35 and 15,513.30

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Solution

The fourth proportional to 27,198.90, 40,798.35 and 15,513.30 is: 23,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.90 : 40,798.35 = 15,513.30 : x
  2. Step 2: Convert to fraction form
    27,198.90/40,798.35 = 15,513.30/x
  3. Step 3: Cross multiply
    27,198.90x = 40,798.35 × 15,513.30
  4. Step 4: Simplify right side
    27,198.90x = 632,917,043.06
  5. Step 5: Solve for x
    x = 632,917,043.06/27,198.90
  6. Step 6: Final answer
    x = 23,269.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.