Home / 27,155.64-40,733.50-7,434.37

Finding the Fourth Proportional to 27,155.64, 40,733.50 and 7,434.37

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Solution

The fourth proportional to 27,155.64, 40,733.50 and 7,434.37 is: 11,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.64 : 40,733.50 = 7,434.37 : x
  2. Step 2: Convert to fraction form
    27,155.64/40,733.50 = 7,434.37/x
  3. Step 3: Cross multiply
    27,155.64x = 40,733.50 × 7,434.37
  4. Step 4: Simplify right side
    27,155.64x = 302,827,910.40
  5. Step 5: Solve for x
    x = 302,827,910.40/27,155.64
  6. Step 6: Final answer
    x = 11,151.57

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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.