Home / 23,431.55-32,335.54-12,821.18

Finding the Fourth Proportional to 23,431.55, 32,335.54 and 12,821.18

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Solution

The fourth proportional to 23,431.55, 32,335.54 and 12,821.18 is: 17,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.55 : 32,335.54 = 12,821.18 : x
  2. Step 2: Convert to fraction form
    23,431.55/32,335.54 = 12,821.18/x
  3. Step 3: Cross multiply
    23,431.55x = 32,335.54 × 12,821.18
  4. Step 4: Simplify right side
    23,431.55x = 414,579,714.63
  5. Step 5: Solve for x
    x = 414,579,714.63/23,431.55
  6. Step 6: Final answer
    x = 17,693.23

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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.