Home / 21,475.64-32,187.02-10,236.89

Finding the Fourth Proportional to 21,475.64, 32,187.02 and 10,236.89

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Solution

The fourth proportional to 21,475.64, 32,187.02 and 10,236.89 is: 15,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.64 : 32,187.02 = 10,236.89 : x
  2. Step 2: Convert to fraction form
    21,475.64/32,187.02 = 10,236.89/x
  3. Step 3: Cross multiply
    21,475.64x = 32,187.02 × 10,236.89
  4. Step 4: Simplify right side
    21,475.64x = 329,494,983.17
  5. Step 5: Solve for x
    x = 329,494,983.17/21,475.64
  6. Step 6: Final answer
    x = 15,342.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.