Home / 29,190.89-40,287.84-16,445.27

Finding the Fourth Proportional to 29,190.89, 40,287.84 and 16,445.27

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Solution

The fourth proportional to 29,190.89, 40,287.84 and 16,445.27 is: 22,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.89 : 40,287.84 = 16,445.27 : x
  2. Step 2: Convert to fraction form
    29,190.89/40,287.84 = 16,445.27/x
  3. Step 3: Cross multiply
    29,190.89x = 40,287.84 × 16,445.27
  4. Step 4: Simplify right side
    29,190.89x = 662,544,406.52
  5. Step 5: Solve for x
    x = 662,544,406.52/29,190.89
  6. Step 6: Final answer
    x = 22,696.96

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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.