Home / 27,155.86-40,708.26-14,657.15

Finding the Fourth Proportional to 27,155.86, 40,708.26 and 14,657.15

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Solution

The fourth proportional to 27,155.86, 40,708.26 and 14,657.15 is: 21,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.86 : 40,708.26 = 14,657.15 : x
  2. Step 2: Convert to fraction form
    27,155.86/40,708.26 = 14,657.15/x
  3. Step 3: Cross multiply
    27,155.86x = 40,708.26 × 14,657.15
  4. Step 4: Simplify right side
    27,155.86x = 596,667,174.83
  5. Step 5: Solve for x
    x = 596,667,174.83/27,155.86
  6. Step 6: Final answer
    x = 21,971.95

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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.