Home / 22,879.64-31,576.56-13,810.88

Finding the Fourth Proportional to 22,879.64, 31,576.56 and 13,810.88

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Solution

The fourth proportional to 22,879.64, 31,576.56 and 13,810.88 is: 19,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.64 : 31,576.56 = 13,810.88 : x
  2. Step 2: Convert to fraction form
    22,879.64/31,576.56 = 13,810.88/x
  3. Step 3: Cross multiply
    22,879.64x = 31,576.56 × 13,810.88
  4. Step 4: Simplify right side
    22,879.64x = 436,100,080.97
  5. Step 5: Solve for x
    x = 436,100,080.97/22,879.64
  6. Step 6: Final answer
    x = 19,060.62

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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.