Home / 27,128.28-40,643.82-9,586.92

Finding the Fourth Proportional to 27,128.28, 40,643.82 and 9,586.92

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Solution

The fourth proportional to 27,128.28, 40,643.82 and 9,586.92 is: 14,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.28 : 40,643.82 = 9,586.92 : x
  2. Step 2: Convert to fraction form
    27,128.28/40,643.82 = 9,586.92/x
  3. Step 3: Cross multiply
    27,128.28x = 40,643.82 × 9,586.92
  4. Step 4: Simplify right side
    27,128.28x = 389,649,050.83
  5. Step 5: Solve for x
    x = 389,649,050.83/27,128.28
  6. Step 6: Final answer
    x = 14,363.21

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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.