Home / 23,943.55-33,038.74-13,872.87

Finding the Fourth Proportional to 23,943.55, 33,038.74 and 13,872.87

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Solution

The fourth proportional to 23,943.55, 33,038.74 and 13,872.87 is: 19,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,943.55 : 33,038.74 = 13,872.87 : x
  2. Step 2: Convert to fraction form
    23,943.55/33,038.74 = 13,872.87/x
  3. Step 3: Cross multiply
    23,943.55x = 33,038.74 × 13,872.87
  4. Step 4: Simplify right side
    23,943.55x = 458,342,084.29
  5. Step 5: Solve for x
    x = 458,342,084.29/23,943.55
  6. Step 6: Final answer
    x = 19,142.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.