Home / 26,856.63-40,284.86-9,326.61

Finding the Fourth Proportional to 26,856.63, 40,284.86 and 9,326.61

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Solution

The fourth proportional to 26,856.63, 40,284.86 and 9,326.61 is: 13,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.63 : 40,284.86 = 9,326.61 : x
  2. Step 2: Convert to fraction form
    26,856.63/40,284.86 = 9,326.61/x
  3. Step 3: Cross multiply
    26,856.63x = 40,284.86 × 9,326.61
  4. Step 4: Simplify right side
    26,856.63x = 375,721,131.49
  5. Step 5: Solve for x
    x = 375,721,131.49/26,856.63
  6. Step 6: Final answer
    x = 13,989.88

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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.