Home / 21,343.58-32,015.38-5,761.20

Finding the Fourth Proportional to 21,343.58, 32,015.38 and 5,761.20

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Solution

The fourth proportional to 21,343.58, 32,015.38 and 5,761.20 is: 8,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.58 : 32,015.38 = 5,761.20 : x
  2. Step 2: Convert to fraction form
    21,343.58/32,015.38 = 5,761.20/x
  3. Step 3: Cross multiply
    21,343.58x = 32,015.38 × 5,761.20
  4. Step 4: Simplify right side
    21,343.58x = 184,447,007.26
  5. Step 5: Solve for x
    x = 184,447,007.26/21,343.58
  6. Step 6: Final answer
    x = 8,641.80

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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.