Home / 27,945.48-41,877.47-12,957.19

Finding the Fourth Proportional to 27,945.48, 41,877.47 and 12,957.19

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Solution

The fourth proportional to 27,945.48, 41,877.47 and 12,957.19 is: 19,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.48 : 41,877.47 = 12,957.19 : x
  2. Step 2: Convert to fraction form
    27,945.48/41,877.47 = 12,957.19/x
  3. Step 3: Cross multiply
    27,945.48x = 41,877.47 × 12,957.19
  4. Step 4: Simplify right side
    27,945.48x = 542,614,234.82
  5. Step 5: Solve for x
    x = 542,614,234.82/27,945.48
  6. Step 6: Final answer
    x = 19,416.88

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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.