Home / 28,054.32-42,024.24-17,489.76

Finding the Fourth Proportional to 28,054.32, 42,024.24 and 17,489.76

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Solution

The fourth proportional to 28,054.32, 42,024.24 and 17,489.76 is: 26,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.32 : 42,024.24 = 17,489.76 : x
  2. Step 2: Convert to fraction form
    28,054.32/42,024.24 = 17,489.76/x
  3. Step 3: Cross multiply
    28,054.32x = 42,024.24 × 17,489.76
  4. Step 4: Simplify right side
    28,054.32x = 734,993,871.78
  5. Step 5: Solve for x
    x = 734,993,871.78/28,054.32
  6. Step 6: Final answer
    x = 26,198.96

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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.