Home / 23,420.21-35,132.15-6,780.50

Finding the Fourth Proportional to 23,420.21, 35,132.15 and 6,780.50

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Solution

The fourth proportional to 23,420.21, 35,132.15 and 6,780.50 is: 10,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.21 : 35,132.15 = 6,780.50 : x
  2. Step 2: Convert to fraction form
    23,420.21/35,132.15 = 6,780.50/x
  3. Step 3: Cross multiply
    23,420.21x = 35,132.15 × 6,780.50
  4. Step 4: Simplify right side
    23,420.21x = 238,213,543.08
  5. Step 5: Solve for x
    x = 238,213,543.08/23,420.21
  6. Step 6: Final answer
    x = 10,171.28

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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.