Home / 27,060.67-40,535.86-12,977.81

Finding the Fourth Proportional to 27,060.67, 40,535.86 and 12,977.81

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Solution

The fourth proportional to 27,060.67, 40,535.86 and 12,977.81 is: 19,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.67 : 40,535.86 = 12,977.81 : x
  2. Step 2: Convert to fraction form
    27,060.67/40,535.86 = 12,977.81/x
  3. Step 3: Cross multiply
    27,060.67x = 40,535.86 × 12,977.81
  4. Step 4: Simplify right side
    27,060.67x = 526,066,689.27
  5. Step 5: Solve for x
    x = 526,066,689.27/27,060.67
  6. Step 6: Final answer
    x = 19,440.27

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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.