Home / 24,000.28-33,120.48-13,390.72

Finding the Fourth Proportional to 24,000.28, 33,120.48 and 13,390.72

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Solution

The fourth proportional to 24,000.28, 33,120.48 and 13,390.72 is: 18,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,000.28 : 33,120.48 = 13,390.72 : x
  2. Step 2: Convert to fraction form
    24,000.28/33,120.48 = 13,390.72/x
  3. Step 3: Cross multiply
    24,000.28x = 33,120.48 × 13,390.72
  4. Step 4: Simplify right side
    24,000.28x = 443,507,073.95
  5. Step 5: Solve for x
    x = 443,507,073.95/24,000.28
  6. Step 6: Final answer
    x = 18,479.25

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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.