Home / 23,509.20-32,440.60-13,435.64

Finding the Fourth Proportional to 23,509.20, 32,440.60 and 13,435.64

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Solution

The fourth proportional to 23,509.20, 32,440.60 and 13,435.64 is: 18,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,509.20 : 32,440.60 = 13,435.64 : x
  2. Step 2: Convert to fraction form
    23,509.20/32,440.60 = 13,435.64/x
  3. Step 3: Cross multiply
    23,509.20x = 32,440.60 × 13,435.64
  4. Step 4: Simplify right side
    23,509.20x = 435,860,222.98
  5. Step 5: Solve for x
    x = 435,860,222.98/23,509.20
  6. Step 6: Final answer
    x = 18,539.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.