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Finding the Fourth Proportional to 36,807.56, 55,210.15 and 15,471.57

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Solution

The fourth proportional to 36,807.56, 55,210.15 and 15,471.57 is: 23,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,807.56 : 55,210.15 = 15,471.57 : x
  2. Step 2: Convert to fraction form
    36,807.56/55,210.15 = 15,471.57/x
  3. Step 3: Cross multiply
    36,807.56x = 55,210.15 × 15,471.57
  4. Step 4: Simplify right side
    36,807.56x = 854,187,700.44
  5. Step 5: Solve for x
    x = 854,187,700.44/36,807.56
  6. Step 6: Final answer
    x = 23,206.85

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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.