Home / 27,423.78-41,080.86-12,612.40

Finding the Fourth Proportional to 27,423.78, 41,080.86 and 12,612.40

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Solution

The fourth proportional to 27,423.78, 41,080.86 and 12,612.40 is: 18,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.78 : 41,080.86 = 12,612.40 : x
  2. Step 2: Convert to fraction form
    27,423.78/41,080.86 = 12,612.40/x
  3. Step 3: Cross multiply
    27,423.78x = 41,080.86 × 12,612.40
  4. Step 4: Simplify right side
    27,423.78x = 518,128,238.66
  5. Step 5: Solve for x
    x = 518,128,238.66/27,423.78
  6. Step 6: Final answer
    x = 18,893.39

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1.5x scale

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.