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Finding the Fourth Proportional to 37,323.28, 55,984.92 and 9,621.28

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Solution

The fourth proportional to 37,323.28, 55,984.92 and 9,621.28 is: 14,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,323.28 : 55,984.92 = 9,621.28 : x
  2. Step 2: Convert to fraction form
    37,323.28/55,984.92 = 9,621.28/x
  3. Step 3: Cross multiply
    37,323.28x = 55,984.92 × 9,621.28
  4. Step 4: Simplify right side
    37,323.28x = 538,646,679.12
  5. Step 5: Solve for x
    x = 538,646,679.12/37,323.28
  6. Step 6: Final answer
    x = 14,431.92

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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.