Home / 28,088.42-42,132.62-8,366.46

Finding the Fourth Proportional to 28,088.42, 42,132.62 and 8,366.46

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Solution

The fourth proportional to 28,088.42, 42,132.62 and 8,366.46 is: 12,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.42 : 42,132.62 = 8,366.46 : x
  2. Step 2: Convert to fraction form
    28,088.42/42,132.62 = 8,366.46/x
  3. Step 3: Cross multiply
    28,088.42x = 42,132.62 × 8,366.46
  4. Step 4: Simplify right side
    28,088.42x = 352,500,879.93
  5. Step 5: Solve for x
    x = 352,500,879.93/28,088.42
  6. Step 6: Final answer
    x = 12,549.69

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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.