Home / 24,339.40-33,588.30-13,729

Finding the Fourth Proportional to 24,339.40, 33,588.30 and 13,729

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Solution

The fourth proportional to 24,339.40, 33,588.30 and 13,729 is: 18,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,339.40 : 33,588.30 = 13,729 : x
  2. Step 2: Convert to fraction form
    24,339.40/33,588.30 = 13,729/x
  3. Step 3: Cross multiply
    24,339.40x = 33,588.30 × 13,729
  4. Step 4: Simplify right side
    24,339.40x = 461,133,770.70
  5. Step 5: Solve for x
    x = 461,133,770.70/24,339.40
  6. Step 6: Final answer
    x = 18,945.98

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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.