Home / 23,866.30-35,714.40-20,780.20

Finding the Fourth Proportional to 23,866.30, 35,714.40 and 20,780.20

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Solution

The fourth proportional to 23,866.30, 35,714.40 and 20,780.20 is: 31,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,866.30 : 35,714.40 = 20,780.20 : x
  2. Step 2: Convert to fraction form
    23,866.30/35,714.40 = 20,780.20/x
  3. Step 3: Cross multiply
    23,866.30x = 35,714.40 × 20,780.20
  4. Step 4: Simplify right side
    23,866.30x = 742,152,374.88
  5. Step 5: Solve for x
    x = 742,152,374.88/23,866.30
  6. Step 6: Final answer
    x = 31,096.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.