Home / 23,781.60-35,672.40-12,117.60

Finding the Fourth Proportional to 23,781.60, 35,672.40 and 12,117.60

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Solution

The fourth proportional to 23,781.60, 35,672.40 and 12,117.60 is: 18,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.60 : 35,672.40 = 12,117.60 : x
  2. Step 2: Convert to fraction form
    23,781.60/35,672.40 = 12,117.60/x
  3. Step 3: Cross multiply
    23,781.60x = 35,672.40 × 12,117.60
  4. Step 4: Simplify right side
    23,781.60x = 432,263,874.24
  5. Step 5: Solve for x
    x = 432,263,874.24/23,781.60
  6. Step 6: Final answer
    x = 18,176.40

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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.