Home / 22,488.28-31,027.26-12,926.68

Finding the Fourth Proportional to 22,488.28, 31,027.26 and 12,926.68

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Solution

The fourth proportional to 22,488.28, 31,027.26 and 12,926.68 is: 17,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.28 : 31,027.26 = 12,926.68 : x
  2. Step 2: Convert to fraction form
    22,488.28/31,027.26 = 12,926.68/x
  3. Step 3: Cross multiply
    22,488.28x = 31,027.26 × 12,926.68
  4. Step 4: Simplify right side
    22,488.28x = 401,079,461.30
  5. Step 5: Solve for x
    x = 401,079,461.30/22,488.28
  6. Step 6: Final answer
    x = 17,835.04

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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.