Home / 40,515.12-60,668.73-28,017.90

Finding the Fourth Proportional to 40,515.12, 60,668.73 and 28,017.90

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Solution

The fourth proportional to 40,515.12, 60,668.73 and 28,017.90 is: 41,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.12 : 60,668.73 = 28,017.90 : x
  2. Step 2: Convert to fraction form
    40,515.12/60,668.73 = 28,017.90/x
  3. Step 3: Cross multiply
    40,515.12x = 60,668.73 × 28,017.90
  4. Step 4: Simplify right side
    40,515.12x = 1,699,810,410.27
  5. Step 5: Solve for x
    x = 1,699,810,410.27/40,515.12
  6. Step 6: Final answer
    x = 41,954.96

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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.