Home / 27,129.86-40,706.48-14,647.40

Finding the Fourth Proportional to 27,129.86, 40,706.48 and 14,647.40

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Solution

The fourth proportional to 27,129.86, 40,706.48 and 14,647.40 is: 21,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.86 : 40,706.48 = 14,647.40 : x
  2. Step 2: Convert to fraction form
    27,129.86/40,706.48 = 14,647.40/x
  3. Step 3: Cross multiply
    27,129.86x = 40,706.48 × 14,647.40
  4. Step 4: Simplify right side
    27,129.86x = 596,244,095.15
  5. Step 5: Solve for x
    x = 596,244,095.15/27,129.86
  6. Step 6: Final answer
    x = 21,977.41

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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.