Home / 27,964.08-38,590.60-15,217.36

Finding the Fourth Proportional to 27,964.08, 38,590.60 and 15,217.36

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Solution

The fourth proportional to 27,964.08, 38,590.60 and 15,217.36 is: 21,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.08 : 38,590.60 = 15,217.36 : x
  2. Step 2: Convert to fraction form
    27,964.08/38,590.60 = 15,217.36/x
  3. Step 3: Cross multiply
    27,964.08x = 38,590.60 × 15,217.36
  4. Step 4: Simplify right side
    27,964.08x = 587,247,052.82
  5. Step 5: Solve for x
    x = 587,247,052.82/27,964.08
  6. Step 6: Final answer
    x = 21,000.05

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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.