Home / 24,142.80-33,314.60-13,530.20

Finding the Fourth Proportional to 24,142.80, 33,314.60 and 13,530.20

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Solution

The fourth proportional to 24,142.80, 33,314.60 and 13,530.20 is: 18,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,142.80 : 33,314.60 = 13,530.20 : x
  2. Step 2: Convert to fraction form
    24,142.80/33,314.60 = 13,530.20/x
  3. Step 3: Cross multiply
    24,142.80x = 33,314.60 × 13,530.20
  4. Step 4: Simplify right side
    24,142.80x = 450,753,200.92
  5. Step 5: Solve for x
    x = 450,753,200.92/24,142.80
  6. Step 6: Final answer
    x = 18,670.30

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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.