Home / 28,166.44-42,261.06-10,641.28

Finding the Fourth Proportional to 28,166.44, 42,261.06 and 10,641.28

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Solution

The fourth proportional to 28,166.44, 42,261.06 and 10,641.28 is: 15,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.44 : 42,261.06 = 10,641.28 : x
  2. Step 2: Convert to fraction form
    28,166.44/42,261.06 = 10,641.28/x
  3. Step 3: Cross multiply
    28,166.44x = 42,261.06 × 10,641.28
  4. Step 4: Simplify right side
    28,166.44x = 449,711,772.56
  5. Step 5: Solve for x
    x = 449,711,772.56/28,166.44
  6. Step 6: Final answer
    x = 15,966.23

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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.