Home / 29,207.20-43,821.60-28,127.20

Finding the Fourth Proportional to 29,207.20, 43,821.60 and 28,127.20

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Solution

The fourth proportional to 29,207.20, 43,821.60 and 28,127.20 is: 42,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.20 : 43,821.60 = 28,127.20 : x
  2. Step 2: Convert to fraction form
    29,207.20/43,821.60 = 28,127.20/x
  3. Step 3: Cross multiply
    29,207.20x = 43,821.60 × 28,127.20
  4. Step 4: Simplify right side
    29,207.20x = 1,232,578,907.52
  5. Step 5: Solve for x
    x = 1,232,578,907.52/29,207.20
  6. Step 6: Final answer
    x = 42,201.20

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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.