Home / 15,757.20-23,587.20-14,007.60

Finding the Fourth Proportional to 15,757.20, 23,587.20 and 14,007.60

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Solution

The fourth proportional to 15,757.20, 23,587.20 and 14,007.60 is: 20,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.20 : 23,587.20 = 14,007.60 : x
  2. Step 2: Convert to fraction form
    15,757.20/23,587.20 = 14,007.60/x
  3. Step 3: Cross multiply
    15,757.20x = 23,587.20 × 14,007.60
  4. Step 4: Simplify right side
    15,757.20x = 330,400,062.72
  5. Step 5: Solve for x
    x = 330,400,062.72/15,757.20
  6. Step 6: Final answer
    x = 20,968.20

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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.