Home / 27,023.63-40,525.11-12,979.64

Finding the Fourth Proportional to 27,023.63, 40,525.11 and 12,979.64

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Solution

The fourth proportional to 27,023.63, 40,525.11 and 12,979.64 is: 19,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,023.63 : 40,525.11 = 12,979.64 : x
  2. Step 2: Convert to fraction form
    27,023.63/40,525.11 = 12,979.64/x
  3. Step 3: Cross multiply
    27,023.63x = 40,525.11 × 12,979.64
  4. Step 4: Simplify right side
    27,023.63x = 526,001,440.07
  5. Step 5: Solve for x
    x = 526,001,440.07/27,023.63
  6. Step 6: Final answer
    x = 19,464.50

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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.