Home / 23,928.81-33,022.85-13,319.12

Finding the Fourth Proportional to 23,928.81, 33,022.85 and 13,319.12

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Solution

The fourth proportional to 23,928.81, 33,022.85 and 13,319.12 is: 18,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928.81 : 33,022.85 = 13,319.12 : x
  2. Step 2: Convert to fraction form
    23,928.81/33,022.85 = 13,319.12/x
  3. Step 3: Cross multiply
    23,928.81x = 33,022.85 × 13,319.12
  4. Step 4: Simplify right side
    23,928.81x = 439,835,070.18
  5. Step 5: Solve for x
    x = 439,835,070.18/23,928.81
  6. Step 6: Final answer
    x = 18,380.98

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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.