Home / 23,875.20-35,812.80-12,211.20

Finding the Fourth Proportional to 23,875.20, 35,812.80 and 12,211.20

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Solution

The fourth proportional to 23,875.20, 35,812.80 and 12,211.20 is: 18,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,875.20 : 35,812.80 = 12,211.20 : x
  2. Step 2: Convert to fraction form
    23,875.20/35,812.80 = 12,211.20/x
  3. Step 3: Cross multiply
    23,875.20x = 35,812.80 × 12,211.20
  4. Step 4: Simplify right side
    23,875.20x = 437,317,263.36
  5. Step 5: Solve for x
    x = 437,317,263.36/23,875.20
  6. Step 6: Final answer
    x = 18,316.80

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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.