Home / 23,780.40-35,670.60-15,946.80

Finding the Fourth Proportional to 23,780.40, 35,670.60 and 15,946.80

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Solution

The fourth proportional to 23,780.40, 35,670.60 and 15,946.80 is: 23,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.40 : 35,670.60 = 15,946.80 : x
  2. Step 2: Convert to fraction form
    23,780.40/35,670.60 = 15,946.80/x
  3. Step 3: Cross multiply
    23,780.40x = 35,670.60 × 15,946.80
  4. Step 4: Simplify right side
    23,780.40x = 568,831,924.08
  5. Step 5: Solve for x
    x = 568,831,924.08/23,780.40
  6. Step 6: Final answer
    x = 23,920.20

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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.