Home / 36,988.28-50,983.84-28,907.66

Finding the Fourth Proportional to 36,988.28, 50,983.84 and 28,907.66

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Solution

The fourth proportional to 36,988.28, 50,983.84 and 28,907.66 is: 39,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.28 : 50,983.84 = 28,907.66 : x
  2. Step 2: Convert to fraction form
    36,988.28/50,983.84 = 28,907.66/x
  3. Step 3: Cross multiply
    36,988.28x = 50,983.84 × 28,907.66
  4. Step 4: Simplify right side
    36,988.28x = 1,473,823,257.30
  5. Step 5: Solve for x
    x = 1,473,823,257.30/36,988.28
  6. Step 6: Final answer
    x = 39,845.69

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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.