Home / 21,487.36-32,163.60-14,784.64

Finding the Fourth Proportional to 21,487.36, 32,163.60 and 14,784.64

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Solution

The fourth proportional to 21,487.36, 32,163.60 and 14,784.64 is: 22,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.36 : 32,163.60 = 14,784.64 : x
  2. Step 2: Convert to fraction form
    21,487.36/32,163.60 = 14,784.64/x
  3. Step 3: Cross multiply
    21,487.36x = 32,163.60 × 14,784.64
  4. Step 4: Simplify right side
    21,487.36x = 475,527,247.10
  5. Step 5: Solve for x
    x = 475,527,247.10/21,487.36
  6. Step 6: Final answer
    x = 22,130.56

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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.