Home / 25,783.38-35,584.31-15,714.98

Finding the Fourth Proportional to 25,783.38, 35,584.31 and 15,714.98

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Solution

The fourth proportional to 25,783.38, 35,584.31 and 15,714.98 is: 21,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.38 : 35,584.31 = 15,714.98 : x
  2. Step 2: Convert to fraction form
    25,783.38/35,584.31 = 15,714.98/x
  3. Step 3: Cross multiply
    25,783.38x = 35,584.31 × 15,714.98
  4. Step 4: Simplify right side
    25,783.38x = 559,206,789.28
  5. Step 5: Solve for x
    x = 559,206,789.28/25,783.38
  6. Step 6: Final answer
    x = 21,688.65

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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.