Home / 23,989.47-33,105.47-13,378.88

Finding the Fourth Proportional to 23,989.47, 33,105.47 and 13,378.88

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Solution

The fourth proportional to 23,989.47, 33,105.47 and 13,378.88 is: 18,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.47 : 33,105.47 = 13,378.88 : x
  2. Step 2: Convert to fraction form
    23,989.47/33,105.47 = 13,378.88/x
  3. Step 3: Cross multiply
    23,989.47x = 33,105.47 × 13,378.88
  4. Step 4: Simplify right side
    23,989.47x = 442,913,911.50
  5. Step 5: Solve for x
    x = 442,913,911.50/23,989.47
  6. Step 6: Final answer
    x = 18,462.85

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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.