Home / 22,487.28-31,035.18-13,055.85

Finding the Fourth Proportional to 22,487.28, 31,035.18 and 13,055.85

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Solution

The fourth proportional to 22,487.28, 31,035.18 and 13,055.85 is: 18,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.28 : 31,035.18 = 13,055.85 : x
  2. Step 2: Convert to fraction form
    22,487.28/31,035.18 = 13,055.85/x
  3. Step 3: Cross multiply
    22,487.28x = 31,035.18 × 13,055.85
  4. Step 4: Simplify right side
    22,487.28x = 405,190,499.63
  5. Step 5: Solve for x
    x = 405,190,499.63/22,487.28
  6. Step 6: Final answer
    x = 18,018.65

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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.