Home / 15,727.30-23,563.80-11,038.38

Finding the Fourth Proportional to 15,727.30, 23,563.80 and 11,038.38

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Solution

The fourth proportional to 15,727.30, 23,563.80 and 11,038.38 is: 16,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.30 : 23,563.80 = 11,038.38 : x
  2. Step 2: Convert to fraction form
    15,727.30/23,563.80 = 11,038.38/x
  3. Step 3: Cross multiply
    15,727.30x = 23,563.80 × 11,038.38
  4. Step 4: Simplify right side
    15,727.30x = 260,106,178.64
  5. Step 5: Solve for x
    x = 260,106,178.64/15,727.30
  6. Step 6: Final answer
    x = 16,538.51

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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.