Home / 40,455.27-60,675.62-28,720.80

Finding the Fourth Proportional to 40,455.27, 60,675.62 and 28,720.80

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Solution

The fourth proportional to 40,455.27, 60,675.62 and 28,720.80 is: 43,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.27 : 60,675.62 = 28,720.80 : x
  2. Step 2: Convert to fraction form
    40,455.27/60,675.62 = 28,720.80/x
  3. Step 3: Cross multiply
    40,455.27x = 60,675.62 × 28,720.80
  4. Step 4: Simplify right side
    40,455.27x = 1,742,652,203.29
  5. Step 5: Solve for x
    x = 1,742,652,203.29/40,455.27
  6. Step 6: Final answer
    x = 43,076.02

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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.