Home / 28,634.16-42,966.54-21,565.56

Finding the Fourth Proportional to 28,634.16, 42,966.54 and 21,565.56

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Solution

The fourth proportional to 28,634.16, 42,966.54 and 21,565.56 is: 32,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.16 : 42,966.54 = 21,565.56 : x
  2. Step 2: Convert to fraction form
    28,634.16/42,966.54 = 21,565.56/x
  3. Step 3: Cross multiply
    28,634.16x = 42,966.54 × 21,565.56
  4. Step 4: Simplify right side
    28,634.16x = 926,597,496.36
  5. Step 5: Solve for x
    x = 926,597,496.36/28,634.16
  6. Step 6: Final answer
    x = 32,359.86

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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.