Home / 27,278.44-40,864.22-14,139.48

Finding the Fourth Proportional to 27,278.44, 40,864.22 and 14,139.48

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Solution

The fourth proportional to 27,278.44, 40,864.22 and 14,139.48 is: 21,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.44 : 40,864.22 = 14,139.48 : x
  2. Step 2: Convert to fraction form
    27,278.44/40,864.22 = 14,139.48/x
  3. Step 3: Cross multiply
    27,278.44x = 40,864.22 × 14,139.48
  4. Step 4: Simplify right side
    27,278.44x = 577,798,821.41
  5. Step 5: Solve for x
    x = 577,798,821.41/27,278.44
  6. Step 6: Final answer
    x = 21,181.52

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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.