Home / 26,988.78-40,471.42-14,335.77

Finding the Fourth Proportional to 26,988.78, 40,471.42 and 14,335.77

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Solution

The fourth proportional to 26,988.78, 40,471.42 and 14,335.77 is: 21,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.78 : 40,471.42 = 14,335.77 : x
  2. Step 2: Convert to fraction form
    26,988.78/40,471.42 = 14,335.77/x
  3. Step 3: Cross multiply
    26,988.78x = 40,471.42 × 14,335.77
  4. Step 4: Simplify right side
    26,988.78x = 580,188,962.84
  5. Step 5: Solve for x
    x = 580,188,962.84/26,988.78
  6. Step 6: Final answer
    x = 21,497.41

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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.