Home / 26,615.90-39,923.86-12,571.32

Finding the Fourth Proportional to 26,615.90, 39,923.86 and 12,571.32

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Solution

The fourth proportional to 26,615.90, 39,923.86 and 12,571.32 is: 18,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.90 : 39,923.86 = 12,571.32 : x
  2. Step 2: Convert to fraction form
    26,615.90/39,923.86 = 12,571.32/x
  3. Step 3: Cross multiply
    26,615.90x = 39,923.86 × 12,571.32
  4. Step 4: Simplify right side
    26,615.90x = 501,895,619.70
  5. Step 5: Solve for x
    x = 501,895,619.70/26,615.90
  6. Step 6: Final answer
    x = 18,856.98

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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.