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Finding the Fourth Proportional to 27,612.88, 41,384.76 and 21,746.32

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Solution

The fourth proportional to 27,612.88, 41,384.76 and 21,746.32 is: 32,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.88 : 41,384.76 = 21,746.32 : x
  2. Step 2: Convert to fraction form
    27,612.88/41,384.76 = 21,746.32/x
  3. Step 3: Cross multiply
    27,612.88x = 41,384.76 × 21,746.32
  4. Step 4: Simplify right side
    27,612.88x = 899,966,234.08
  5. Step 5: Solve for x
    x = 899,966,234.08/27,612.88
  6. Step 6: Final answer
    x = 32,592.26

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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.