Home / 23,999.28-33,119.10-13,389.72

Finding the Fourth Proportional to 23,999.28, 33,119.10 and 13,389.72

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Solution

The fourth proportional to 23,999.28, 33,119.10 and 13,389.72 is: 18,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.28 : 33,119.10 = 13,389.72 : x
  2. Step 2: Convert to fraction form
    23,999.28/33,119.10 = 13,389.72/x
  3. Step 3: Cross multiply
    23,999.28x = 33,119.10 × 13,389.72
  4. Step 4: Simplify right side
    23,999.28x = 443,455,475.65
  5. Step 5: Solve for x
    x = 443,455,475.65/23,999.28
  6. Step 6: Final answer
    x = 18,477.87

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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.