Home / 21,343.36-32,025.60-9,655.36

Finding the Fourth Proportional to 21,343.36, 32,025.60 and 9,655.36

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Solution

The fourth proportional to 21,343.36, 32,025.60 and 9,655.36 is: 14,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.36 : 32,025.60 = 9,655.36 : x
  2. Step 2: Convert to fraction form
    21,343.36/32,025.60 = 9,655.36/x
  3. Step 3: Cross multiply
    21,343.36x = 32,025.60 × 9,655.36
  4. Step 4: Simplify right side
    21,343.36x = 309,218,697.22
  5. Step 5: Solve for x
    x = 309,218,697.22/21,343.36
  6. Step 6: Final answer
    x = 14,487.82

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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.