Home / 29,304.62-40,440.56-15,875.86

Finding the Fourth Proportional to 29,304.62, 40,440.56 and 15,875.86

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Solution

The fourth proportional to 29,304.62, 40,440.56 and 15,875.86 is: 21,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.62 : 40,440.56 = 15,875.86 : x
  2. Step 2: Convert to fraction form
    29,304.62/40,440.56 = 15,875.86/x
  3. Step 3: Cross multiply
    29,304.62x = 40,440.56 × 15,875.86
  4. Step 4: Simplify right side
    29,304.62x = 642,028,668.88
  5. Step 5: Solve for x
    x = 642,028,668.88/29,304.62
  6. Step 6: Final answer
    x = 21,908.79

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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.