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Finding the Fourth Proportional to 20,027.52, 30,041.04 and 8,931.36

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Solution

The fourth proportional to 20,027.52, 30,041.04 and 8,931.36 is: 13,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.52 : 30,041.04 = 8,931.36 : x
  2. Step 2: Convert to fraction form
    20,027.52/30,041.04 = 8,931.36/x
  3. Step 3: Cross multiply
    20,027.52x = 30,041.04 × 8,931.36
  4. Step 4: Simplify right side
    20,027.52x = 268,307,343.01
  5. Step 5: Solve for x
    x = 268,307,343.01/20,027.52
  6. Step 6: Final answer
    x = 13,396.93

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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.