Home / 28,061.71-42,092.46-7,285.21

Finding the Fourth Proportional to 28,061.71, 42,092.46 and 7,285.21

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Solution

The fourth proportional to 28,061.71, 42,092.46 and 7,285.21 is: 10,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.71 : 42,092.46 = 7,285.21 : x
  2. Step 2: Convert to fraction form
    28,061.71/42,092.46 = 7,285.21/x
  3. Step 3: Cross multiply
    28,061.71x = 42,092.46 × 7,285.21
  4. Step 4: Simplify right side
    28,061.71x = 306,652,305.29
  5. Step 5: Solve for x
    x = 306,652,305.29/28,061.71
  6. Step 6: Final answer
    x = 10,927.78

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1.5x scale

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.