Home / 24,379.20-36,543.60-13,262.40

Finding the Fourth Proportional to 24,379.20, 36,543.60 and 13,262.40

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Solution

The fourth proportional to 24,379.20, 36,543.60 and 13,262.40 is: 19,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,379.20 : 36,543.60 = 13,262.40 : x
  2. Step 2: Convert to fraction form
    24,379.20/36,543.60 = 13,262.40/x
  3. Step 3: Cross multiply
    24,379.20x = 36,543.60 × 13,262.40
  4. Step 4: Simplify right side
    24,379.20x = 484,655,840.64
  5. Step 5: Solve for x
    x = 484,655,840.64/24,379.20
  6. Step 6: Final answer
    x = 19,879.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.