Home / 27,824.64-41,697.96-12,998.40

Finding the Fourth Proportional to 27,824.64, 41,697.96 and 12,998.40

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Solution

The fourth proportional to 27,824.64, 41,697.96 and 12,998.40 is: 19,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.64 : 41,697.96 = 12,998.40 : x
  2. Step 2: Convert to fraction form
    27,824.64/41,697.96 = 12,998.40/x
  3. Step 3: Cross multiply
    27,824.64x = 41,697.96 × 12,998.40
  4. Step 4: Simplify right side
    27,824.64x = 542,006,763.26
  5. Step 5: Solve for x
    x = 542,006,763.26/27,824.64
  6. Step 6: Final answer
    x = 19,479.38

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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.