Home / 23,438.54-32,345.16-13,228.90

Finding the Fourth Proportional to 23,438.54, 32,345.16 and 13,228.90

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Solution

The fourth proportional to 23,438.54, 32,345.16 and 13,228.90 is: 18,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.54 : 32,345.16 = 13,228.90 : x
  2. Step 2: Convert to fraction form
    23,438.54/32,345.16 = 13,228.90/x
  3. Step 3: Cross multiply
    23,438.54x = 32,345.16 × 13,228.90
  4. Step 4: Simplify right side
    23,438.54x = 427,890,887.12
  5. Step 5: Solve for x
    x = 427,890,887.12/23,438.54
  6. Step 6: Final answer
    x = 18,255.87

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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.