Home / 26,890.45-40,334.76-10,249.88

Finding the Fourth Proportional to 26,890.45, 40,334.76 and 10,249.88

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Solution

The fourth proportional to 26,890.45, 40,334.76 and 10,249.88 is: 15,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.45 : 40,334.76 = 10,249.88 : x
  2. Step 2: Convert to fraction form
    26,890.45/40,334.76 = 10,249.88/x
  3. Step 3: Cross multiply
    26,890.45x = 40,334.76 × 10,249.88
  4. Step 4: Simplify right side
    26,890.45x = 413,426,248.16
  5. Step 5: Solve for x
    x = 413,426,248.16/26,890.45
  6. Step 6: Final answer
    x = 15,374.47

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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.