Home / 27,261.48-40,887.36-12,470.88

Finding the Fourth Proportional to 27,261.48, 40,887.36 and 12,470.88

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Solution

The fourth proportional to 27,261.48, 40,887.36 and 12,470.88 is: 18,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.48 : 40,887.36 = 12,470.88 : x
  2. Step 2: Convert to fraction form
    27,261.48/40,887.36 = 12,470.88/x
  3. Step 3: Cross multiply
    27,261.48x = 40,887.36 × 12,470.88
  4. Step 4: Simplify right side
    27,261.48x = 509,901,360.08
  5. Step 5: Solve for x
    x = 509,901,360.08/27,261.48
  6. Step 6: Final answer
    x = 18,704.10

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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.