Home / 23,431.32-32,335.74-12,820.96

Finding the Fourth Proportional to 23,431.32, 32,335.74 and 12,820.96

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Solution

The fourth proportional to 23,431.32, 32,335.74 and 12,820.96 is: 17,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.32 : 32,335.74 = 12,820.96 : x
  2. Step 2: Convert to fraction form
    23,431.32/32,335.74 = 12,820.96/x
  3. Step 3: Cross multiply
    23,431.32x = 32,335.74 × 12,820.96
  4. Step 4: Simplify right side
    23,431.32x = 414,575,229.11
  5. Step 5: Solve for x
    x = 414,575,229.11/23,431.32
  6. Step 6: Final answer
    x = 17,693.21

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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.