Home / 26,187.04-39,290.46-12,153.79

Finding the Fourth Proportional to 26,187.04, 39,290.46 and 12,153.79

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Solution

The fourth proportional to 26,187.04, 39,290.46 and 12,153.79 is: 18,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.04 : 39,290.46 = 12,153.79 : x
  2. Step 2: Convert to fraction form
    26,187.04/39,290.46 = 12,153.79/x
  3. Step 3: Cross multiply
    26,187.04x = 39,290.46 × 12,153.79
  4. Step 4: Simplify right side
    26,187.04x = 477,527,999.84
  5. Step 5: Solve for x
    x = 477,527,999.84/26,187.04
  6. Step 6: Final answer
    x = 18,235.28

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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.