Home / 26,228.81-39,377.50-15,574.61

Finding the Fourth Proportional to 26,228.81, 39,377.50 and 15,574.61

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Solution

The fourth proportional to 26,228.81, 39,377.50 and 15,574.61 is: 23,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.81 : 39,377.50 = 15,574.61 : x
  2. Step 2: Convert to fraction form
    26,228.81/39,377.50 = 15,574.61/x
  3. Step 3: Cross multiply
    26,228.81x = 39,377.50 × 15,574.61
  4. Step 4: Simplify right side
    26,228.81x = 613,289,264.78
  5. Step 5: Solve for x
    x = 613,289,264.78/26,228.81
  6. Step 6: Final answer
    x = 23,382.27

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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.