Home / 23,068.80-31,837.95-12,999.20

Finding the Fourth Proportional to 23,068.80, 31,837.95 and 12,999.20

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Solution

The fourth proportional to 23,068.80, 31,837.95 and 12,999.20 is: 17,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.80 : 31,837.95 = 12,999.20 : x
  2. Step 2: Convert to fraction form
    23,068.80/31,837.95 = 12,999.20/x
  3. Step 3: Cross multiply
    23,068.80x = 31,837.95 × 12,999.20
  4. Step 4: Simplify right side
    23,068.80x = 413,867,720.45
  5. Step 5: Solve for x
    x = 413,867,720.45/23,068.80
  6. Step 6: Final answer
    x = 17,940.58

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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.