Home / 26,928.84-40,414.18-18,666.68

Finding the Fourth Proportional to 26,928.84, 40,414.18 and 18,666.68

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Solution

The fourth proportional to 26,928.84, 40,414.18 and 18,666.68 is: 28,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.84 : 40,414.18 = 18,666.68 : x
  2. Step 2: Convert to fraction form
    26,928.84/40,414.18 = 18,666.68/x
  3. Step 3: Cross multiply
    26,928.84x = 40,414.18 × 18,666.68
  4. Step 4: Simplify right side
    26,928.84x = 754,398,565.52
  5. Step 5: Solve for x
    x = 754,398,565.52/26,928.84
  6. Step 6: Final answer
    x = 28,014.52

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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.