Home / 24,221.91-36,342.09-8,428.70

Finding the Fourth Proportional to 24,221.91, 36,342.09 and 8,428.70

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Solution

The fourth proportional to 24,221.91, 36,342.09 and 8,428.70 is: 12,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,221.91 : 36,342.09 = 8,428.70 : x
  2. Step 2: Convert to fraction form
    24,221.91/36,342.09 = 8,428.70/x
  3. Step 3: Cross multiply
    24,221.91x = 36,342.09 × 8,428.70
  4. Step 4: Simplify right side
    24,221.91x = 306,316,392.27
  5. Step 5: Solve for x
    x = 306,316,392.27/24,221.91
  6. Step 6: Final answer
    x = 12,646.25

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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.