Home / 26,380.74-39,569.70-6,659.47

Finding the Fourth Proportional to 26,380.74, 39,569.70 and 6,659.47

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Solution

The fourth proportional to 26,380.74, 39,569.70 and 6,659.47 is: 9,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.74 : 39,569.70 = 6,659.47 : x
  2. Step 2: Convert to fraction form
    26,380.74/39,569.70 = 6,659.47/x
  3. Step 3: Cross multiply
    26,380.74x = 39,569.70 × 6,659.47
  4. Step 4: Simplify right side
    26,380.74x = 263,513,230.06
  5. Step 5: Solve for x
    x = 263,513,230.06/26,380.74
  6. Step 6: Final answer
    x = 9,988.85

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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.