Home / 28,108.54-42,164.16-10,577.04

Finding the Fourth Proportional to 28,108.54, 42,164.16 and 10,577.04

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Solution

The fourth proportional to 28,108.54, 42,164.16 and 10,577.04 is: 15,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.54 : 42,164.16 = 10,577.04 : x
  2. Step 2: Convert to fraction form
    28,108.54/42,164.16 = 10,577.04/x
  3. Step 3: Cross multiply
    28,108.54x = 42,164.16 × 10,577.04
  4. Step 4: Simplify right side
    28,108.54x = 445,972,006.89
  5. Step 5: Solve for x
    x = 445,972,006.89/28,108.54
  6. Step 6: Final answer
    x = 15,866.07

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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.