Home / 23,638.20-32,621.10-13,027.68

Finding the Fourth Proportional to 23,638.20, 32,621.10 and 13,027.68

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Solution

The fourth proportional to 23,638.20, 32,621.10 and 13,027.68 is: 17,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.20 : 32,621.10 = 13,027.68 : x
  2. Step 2: Convert to fraction form
    23,638.20/32,621.10 = 13,027.68/x
  3. Step 3: Cross multiply
    23,638.20x = 32,621.10 × 13,027.68
  4. Step 4: Simplify right side
    23,638.20x = 424,977,252.05
  5. Step 5: Solve for x
    x = 424,977,252.05/23,638.20
  6. Step 6: Final answer
    x = 17,978.41

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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.