Home / 27,927.01-41,890.47-12,129.99

Finding the Fourth Proportional to 27,927.01, 41,890.47 and 12,129.99

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Solution

The fourth proportional to 27,927.01, 41,890.47 and 12,129.99 is: 18,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.01 : 41,890.47 = 12,129.99 : x
  2. Step 2: Convert to fraction form
    27,927.01/41,890.47 = 12,129.99/x
  3. Step 3: Cross multiply
    27,927.01x = 41,890.47 × 12,129.99
  4. Step 4: Simplify right side
    27,927.01x = 508,130,779.62
  5. Step 5: Solve for x
    x = 508,130,779.62/27,927.01
  6. Step 6: Final answer
    x = 18,194.96

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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.