Home / 28,640.55-42,751.56-26,530.11

Finding the Fourth Proportional to 28,640.55, 42,751.56 and 26,530.11

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Solution

The fourth proportional to 28,640.55, 42,751.56 and 26,530.11 is: 39,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.55 : 42,751.56 = 26,530.11 : x
  2. Step 2: Convert to fraction form
    28,640.55/42,751.56 = 26,530.11/x
  3. Step 3: Cross multiply
    28,640.55x = 42,751.56 × 26,530.11
  4. Step 4: Simplify right side
    28,640.55x = 1,134,203,589.47
  5. Step 5: Solve for x
    x = 1,134,203,589.47/28,640.55
  6. Step 6: Final answer
    x = 39,601.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.