Home / 29,727.23-40,992.95-20,771.46

Finding the Fourth Proportional to 29,727.23, 40,992.95 and 20,771.46

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Solution

The fourth proportional to 29,727.23, 40,992.95 and 20,771.46 is: 28,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,727.23 : 40,992.95 = 20,771.46 : x
  2. Step 2: Convert to fraction form
    29,727.23/40,992.95 = 20,771.46/x
  3. Step 3: Cross multiply
    29,727.23x = 40,992.95 × 20,771.46
  4. Step 4: Simplify right side
    29,727.23x = 851,483,317.35
  5. Step 5: Solve for x
    x = 851,483,317.35/29,727.23
  6. Step 6: Final answer
    x = 28,643.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.