Home / 23,431.29-32,335.14-12,820.92

Finding the Fourth Proportional to 23,431.29, 32,335.14 and 12,820.92

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Solution

The fourth proportional to 23,431.29, 32,335.14 and 12,820.92 is: 17,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.29 : 32,335.14 = 12,820.92 : x
  2. Step 2: Convert to fraction form
    23,431.29/32,335.14 = 12,820.92/x
  3. Step 3: Cross multiply
    23,431.29x = 32,335.14 × 12,820.92
  4. Step 4: Simplify right side
    23,431.29x = 414,566,243.13
  5. Step 5: Solve for x
    x = 414,566,243.13/23,431.29
  6. Step 6: Final answer
    x = 17,692.85

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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.