Home / 27,038.31-40,557.55-8,318.22

Finding the Fourth Proportional to 27,038.31, 40,557.55 and 8,318.22

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Solution

The fourth proportional to 27,038.31, 40,557.55 and 8,318.22 is: 12,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.31 : 40,557.55 = 8,318.22 : x
  2. Step 2: Convert to fraction form
    27,038.31/40,557.55 = 8,318.22/x
  3. Step 3: Cross multiply
    27,038.31x = 40,557.55 × 8,318.22
  4. Step 4: Simplify right side
    27,038.31x = 337,366,481.87
  5. Step 5: Solve for x
    x = 337,366,481.87/27,038.31
  6. Step 6: Final answer
    x = 12,477.35

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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.