Home / 29,007.72-40,023.45-18,393.48

Finding the Fourth Proportional to 29,007.72, 40,023.45 and 18,393.48

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Solution

The fourth proportional to 29,007.72, 40,023.45 and 18,393.48 is: 25,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.72 : 40,023.45 = 18,393.48 : x
  2. Step 2: Convert to fraction form
    29,007.72/40,023.45 = 18,393.48/x
  3. Step 3: Cross multiply
    29,007.72x = 40,023.45 × 18,393.48
  4. Step 4: Simplify right side
    29,007.72x = 736,170,527.11
  5. Step 5: Solve for x
    x = 736,170,527.11/29,007.72
  6. Step 6: Final answer
    x = 25,378.43

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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.