Home / 22,958.91-31,679.51-13,529.30

Finding the Fourth Proportional to 22,958.91, 31,679.51 and 13,529.30

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Solution

The fourth proportional to 22,958.91, 31,679.51 and 13,529.30 is: 18,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.91 : 31,679.51 = 13,529.30 : x
  2. Step 2: Convert to fraction form
    22,958.91/31,679.51 = 13,529.30/x
  3. Step 3: Cross multiply
    22,958.91x = 31,679.51 × 13,529.30
  4. Step 4: Simplify right side
    22,958.91x = 428,601,368.60
  5. Step 5: Solve for x
    x = 428,601,368.60/22,958.91
  6. Step 6: Final answer
    x = 18,668.19

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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.