Home / 27,240.60-40,875.30-12,451.80

Finding the Fourth Proportional to 27,240.60, 40,875.30 and 12,451.80

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Solution

The fourth proportional to 27,240.60, 40,875.30 and 12,451.80 is: 18,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.60 : 40,875.30 = 12,451.80 : x
  2. Step 2: Convert to fraction form
    27,240.60/40,875.30 = 12,451.80/x
  3. Step 3: Cross multiply
    27,240.60x = 40,875.30 × 12,451.80
  4. Step 4: Simplify right side
    27,240.60x = 508,971,060.54
  5. Step 5: Solve for x
    x = 508,971,060.54/27,240.60
  6. Step 6: Final answer
    x = 18,684.28

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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.