Home / 27,084.18-40,630.08-8,365.80

Finding the Fourth Proportional to 27,084.18, 40,630.08 and 8,365.80

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Solution

The fourth proportional to 27,084.18, 40,630.08 and 8,365.80 is: 12,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,084.18 : 40,630.08 = 8,365.80 : x
  2. Step 2: Convert to fraction form
    27,084.18/40,630.08 = 8,365.80/x
  3. Step 3: Cross multiply
    27,084.18x = 40,630.08 × 8,365.80
  4. Step 4: Simplify right side
    27,084.18x = 339,903,123.26
  5. Step 5: Solve for x
    x = 339,903,123.26/27,084.18
  6. Step 6: Final answer
    x = 12,549.88

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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.