Home / 23,427.68-32,329.92-12,817.28

Finding the Fourth Proportional to 23,427.68, 32,329.92 and 12,817.28

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Solution

The fourth proportional to 23,427.68, 32,329.92 and 12,817.28 is: 17,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.68 : 32,329.92 = 12,817.28 : x
  2. Step 2: Convert to fraction form
    23,427.68/32,329.92 = 12,817.28/x
  3. Step 3: Cross multiply
    23,427.68x = 32,329.92 × 12,817.28
  4. Step 4: Simplify right side
    23,427.68x = 414,381,637.02
  5. Step 5: Solve for x
    x = 414,381,637.02/23,427.68
  6. Step 6: Final answer
    x = 17,687.69

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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.