Home / 27,520.52-41,287.76-12,740.08

Finding the Fourth Proportional to 27,520.52, 41,287.76 and 12,740.08

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Solution

The fourth proportional to 27,520.52, 41,287.76 and 12,740.08 is: 19,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.52 : 41,287.76 = 12,740.08 : x
  2. Step 2: Convert to fraction form
    27,520.52/41,287.76 = 12,740.08/x
  3. Step 3: Cross multiply
    27,520.52x = 41,287.76 × 12,740.08
  4. Step 4: Simplify right side
    27,520.52x = 526,009,365.42
  5. Step 5: Solve for x
    x = 526,009,365.42/27,520.52
  6. Step 6: Final answer
    x = 19,113.35

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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.