Home / 40,617.18-60,909.57-15,643.26

Finding the Fourth Proportional to 40,617.18, 60,909.57 and 15,643.26

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Solution

The fourth proportional to 40,617.18, 60,909.57 and 15,643.26 is: 23,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617.18 : 60,909.57 = 15,643.26 : x
  2. Step 2: Convert to fraction form
    40,617.18/60,909.57 = 15,643.26/x
  3. Step 3: Cross multiply
    40,617.18x = 60,909.57 × 15,643.26
  4. Step 4: Simplify right side
    40,617.18x = 952,824,240.00
  5. Step 5: Solve for x
    x = 952,824,240.00/40,617.18
  6. Step 6: Final answer
    x = 23,458.65

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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.