Home / 28,088.91-42,133.37-8,366.96

Finding the Fourth Proportional to 28,088.91, 42,133.37 and 8,366.96

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Solution

The fourth proportional to 28,088.91, 42,133.37 and 8,366.96 is: 12,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.91 : 42,133.37 = 8,366.96 : x
  2. Step 2: Convert to fraction form
    28,088.91/42,133.37 = 8,366.96/x
  3. Step 3: Cross multiply
    28,088.91x = 42,133.37 × 8,366.96
  4. Step 4: Simplify right side
    28,088.91x = 352,528,221.46
  5. Step 5: Solve for x
    x = 352,528,221.46/28,088.91
  6. Step 6: Final answer
    x = 12,550.44

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Similar ratio
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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.