Home / 23,895.85-32,976.81-13,140.04

Finding the Fourth Proportional to 23,895.85, 32,976.81 and 13,140.04

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Solution

The fourth proportional to 23,895.85, 32,976.81 and 13,140.04 is: 18,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,895.85 : 32,976.81 = 13,140.04 : x
  2. Step 2: Convert to fraction form
    23,895.85/32,976.81 = 13,140.04/x
  3. Step 3: Cross multiply
    23,895.85x = 32,976.81 × 13,140.04
  4. Step 4: Simplify right side
    23,895.85x = 433,316,619.06
  5. Step 5: Solve for x
    x = 433,316,619.06/23,895.85
  6. Step 6: Final answer
    x = 18,133.55

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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.