Home / 27,762.18-38,311.62-15,186.96

Finding the Fourth Proportional to 27,762.18, 38,311.62 and 15,186.96

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Solution

The fourth proportional to 27,762.18, 38,311.62 and 15,186.96 is: 20,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.18 : 38,311.62 = 15,186.96 : x
  2. Step 2: Convert to fraction form
    27,762.18/38,311.62 = 15,186.96/x
  3. Step 3: Cross multiply
    27,762.18x = 38,311.62 × 15,186.96
  4. Step 4: Simplify right side
    27,762.18x = 581,837,040.48
  5. Step 5: Solve for x
    x = 581,837,040.48/27,762.18
  6. Step 6: Final answer
    x = 20,957.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.