Home / 24,138.75-33,312.84-13,529.07

Finding the Fourth Proportional to 24,138.75, 33,312.84 and 13,529.07

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Solution

The fourth proportional to 24,138.75, 33,312.84 and 13,529.07 is: 18,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.75 : 33,312.84 = 13,529.07 : x
  2. Step 2: Convert to fraction form
    24,138.75/33,312.84 = 13,529.07/x
  3. Step 3: Cross multiply
    24,138.75x = 33,312.84 × 13,529.07
  4. Step 4: Simplify right side
    24,138.75x = 450,691,577.69
  5. Step 5: Solve for x
    x = 450,691,577.69/24,138.75
  6. Step 6: Final answer
    x = 18,670.87

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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.