Home / 23,433.12-32,321.28-22,661.76

Finding the Fourth Proportional to 23,433.12, 32,321.28 and 22,661.76

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Solution

The fourth proportional to 23,433.12, 32,321.28 and 22,661.76 is: 31,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,433.12 : 32,321.28 = 22,661.76 : x
  2. Step 2: Convert to fraction form
    23,433.12/32,321.28 = 22,661.76/x
  3. Step 3: Cross multiply
    23,433.12x = 32,321.28 × 22,661.76
  4. Step 4: Simplify right side
    23,433.12x = 732,457,090.25
  5. Step 5: Solve for x
    x = 732,457,090.25/23,433.12
  6. Step 6: Final answer
    x = 31,257.34

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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.