Home / 27,038.49-40,557.77-7,318.61

Finding the Fourth Proportional to 27,038.49, 40,557.77 and 7,318.61

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Solution

The fourth proportional to 27,038.49, 40,557.77 and 7,318.61 is: 10,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.49 : 40,557.77 = 7,318.61 : x
  2. Step 2: Convert to fraction form
    27,038.49/40,557.77 = 7,318.61/x
  3. Step 3: Cross multiply
    27,038.49x = 40,557.77 × 7,318.61
  4. Step 4: Simplify right side
    27,038.49x = 296,826,261.72
  5. Step 5: Solve for x
    x = 296,826,261.72/27,038.49
  6. Step 6: Final answer
    x = 10,977.92

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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.