Home / 29,011.28-43,516.20-9,289.76

Finding the Fourth Proportional to 29,011.28, 43,516.20 and 9,289.76

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Solution

The fourth proportional to 29,011.28, 43,516.20 and 9,289.76 is: 13,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.28 : 43,516.20 = 9,289.76 : x
  2. Step 2: Convert to fraction form
    29,011.28/43,516.20 = 9,289.76/x
  3. Step 3: Cross multiply
    29,011.28x = 43,516.20 × 9,289.76
  4. Step 4: Simplify right side
    29,011.28x = 404,255,054.11
  5. Step 5: Solve for x
    x = 404,255,054.11/29,011.28
  6. Step 6: Final answer
    x = 13,934.41

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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.