Home / 28,536.06-42,807.74-11,010.90

Finding the Fourth Proportional to 28,536.06, 42,807.74 and 11,010.90

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Solution

The fourth proportional to 28,536.06, 42,807.74 and 11,010.90 is: 16,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.06 : 42,807.74 = 11,010.90 : x
  2. Step 2: Convert to fraction form
    28,536.06/42,807.74 = 11,010.90/x
  3. Step 3: Cross multiply
    28,536.06x = 42,807.74 × 11,010.90
  4. Step 4: Simplify right side
    28,536.06x = 471,351,744.37
  5. Step 5: Solve for x
    x = 471,351,744.37/28,536.06
  6. Step 6: Final answer
    x = 16,517.76

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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.