Home / 27,389.92-41,087.40-12,602.92

Finding the Fourth Proportional to 27,389.92, 41,087.40 and 12,602.92

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Solution

The fourth proportional to 27,389.92, 41,087.40 and 12,602.92 is: 18,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.92 : 41,087.40 = 12,602.92 : x
  2. Step 2: Convert to fraction form
    27,389.92/41,087.40 = 12,602.92/x
  3. Step 3: Cross multiply
    27,389.92x = 41,087.40 × 12,602.92
  4. Step 4: Simplify right side
    27,389.92x = 517,821,215.21
  5. Step 5: Solve for x
    x = 517,821,215.21/27,389.92
  6. Step 6: Final answer
    x = 18,905.54

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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.