Home / 26,549.94-39,783.20-12,506.66

Finding the Fourth Proportional to 26,549.94, 39,783.20 and 12,506.66

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Solution

The fourth proportional to 26,549.94, 39,783.20 and 12,506.66 is: 18,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.94 : 39,783.20 = 12,506.66 : x
  2. Step 2: Convert to fraction form
    26,549.94/39,783.20 = 12,506.66/x
  3. Step 3: Cross multiply
    26,549.94x = 39,783.20 × 12,506.66
  4. Step 4: Simplify right side
    26,549.94x = 497,554,694.66
  5. Step 5: Solve for x
    x = 497,554,694.66/26,549.94
  6. Step 6: Final answer
    x = 18,740.33

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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.