Home / 23,687.28-32,686.14-13,076.28

Finding the Fourth Proportional to 23,687.28, 32,686.14 and 13,076.28

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Solution

The fourth proportional to 23,687.28, 32,686.14 and 13,076.28 is: 18,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.28 : 32,686.14 = 13,076.28 : x
  2. Step 2: Convert to fraction form
    23,687.28/32,686.14 = 13,076.28/x
  3. Step 3: Cross multiply
    23,687.28x = 32,686.14 × 13,076.28
  4. Step 4: Simplify right side
    23,687.28x = 427,413,118.76
  5. Step 5: Solve for x
    x = 427,413,118.76/23,687.28
  6. Step 6: Final answer
    x = 18,043.99

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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.