Home / 15,847.20-23,770.80-15,701.40

Finding the Fourth Proportional to 15,847.20, 23,770.80 and 15,701.40

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Solution

The fourth proportional to 15,847.20, 23,770.80 and 15,701.40 is: 23,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.20 : 23,770.80 = 15,701.40 : x
  2. Step 2: Convert to fraction form
    15,847.20/23,770.80 = 15,701.40/x
  3. Step 3: Cross multiply
    15,847.20x = 23,770.80 × 15,701.40
  4. Step 4: Simplify right side
    15,847.20x = 373,234,839.12
  5. Step 5: Solve for x
    x = 373,234,839.12/15,847.20
  6. Step 6: Final answer
    x = 23,552.10

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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.