Home / 28,535.06-42,806.24-11,009.90

Finding the Fourth Proportional to 28,535.06, 42,806.24 and 11,009.90

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Solution

The fourth proportional to 28,535.06, 42,806.24 and 11,009.90 is: 16,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.06 : 42,806.24 = 11,009.90 : x
  2. Step 2: Convert to fraction form
    28,535.06/42,806.24 = 11,009.90/x
  3. Step 3: Cross multiply
    28,535.06x = 42,806.24 × 11,009.90
  4. Step 4: Simplify right side
    28,535.06x = 471,292,152.70
  5. Step 5: Solve for x
    x = 471,292,152.70/28,535.06
  6. Step 6: Final answer
    x = 16,516.25

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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.