Home / 26,528.49-39,739.34-12,276.89

Finding the Fourth Proportional to 26,528.49, 39,739.34 and 12,276.89

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Solution

The fourth proportional to 26,528.49, 39,739.34 and 12,276.89 is: 18,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.49 : 39,739.34 = 12,276.89 : x
  2. Step 2: Convert to fraction form
    26,528.49/39,739.34 = 12,276.89/x
  3. Step 3: Cross multiply
    26,528.49x = 39,739.34 × 12,276.89
  4. Step 4: Simplify right side
    26,528.49x = 487,875,245.77
  5. Step 5: Solve for x
    x = 487,875,245.77/26,528.49
  6. Step 6: Final answer
    x = 18,390.61

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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.