Home / 21,509.64-32,257.44-20,110.32

Finding the Fourth Proportional to 21,509.64, 32,257.44 and 20,110.32

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Solution

The fourth proportional to 21,509.64, 32,257.44 and 20,110.32 is: 30,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.64 : 32,257.44 = 20,110.32 : x
  2. Step 2: Convert to fraction form
    21,509.64/32,257.44 = 20,110.32/x
  3. Step 3: Cross multiply
    21,509.64x = 32,257.44 × 20,110.32
  4. Step 4: Simplify right side
    21,509.64x = 648,707,440.78
  5. Step 5: Solve for x
    x = 648,707,440.78/21,509.64
  6. Step 6: Final answer
    x = 30,158.92

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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.