Home / 23,885.48-32,886.68-21,671.15

Finding the Fourth Proportional to 23,885.48, 32,886.68 and 21,671.15

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Solution

The fourth proportional to 23,885.48, 32,886.68 and 21,671.15 is: 29,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.48 : 32,886.68 = 21,671.15 : x
  2. Step 2: Convert to fraction form
    23,885.48/32,886.68 = 21,671.15/x
  3. Step 3: Cross multiply
    23,885.48x = 32,886.68 × 21,671.15
  4. Step 4: Simplify right side
    23,885.48x = 712,691,902.49
  5. Step 5: Solve for x
    x = 712,691,902.49/23,885.48
  6. Step 6: Final answer
    x = 29,837.87

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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.