Home / 37,983.28-52,416.04-20,988.96

Finding the Fourth Proportional to 37,983.28, 52,416.04 and 20,988.96

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Solution

The fourth proportional to 37,983.28, 52,416.04 and 20,988.96 is: 28,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.28 : 52,416.04 = 20,988.96 : x
  2. Step 2: Convert to fraction form
    37,983.28/52,416.04 = 20,988.96/x
  3. Step 3: Cross multiply
    37,983.28x = 52,416.04 × 20,988.96
  4. Step 4: Simplify right side
    37,983.28x = 1,100,158,166.92
  5. Step 5: Solve for x
    x = 1,100,158,166.92/37,983.28
  6. Step 6: Final answer
    x = 28,964.27

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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.