Home / 42,625.44-63,991.08-28,406.16

Finding the Fourth Proportional to 42,625.44, 63,991.08 and 28,406.16

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Solution

The fourth proportional to 42,625.44, 63,991.08 and 28,406.16 is: 42,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.44 : 63,991.08 = 28,406.16 : x
  2. Step 2: Convert to fraction form
    42,625.44/63,991.08 = 28,406.16/x
  3. Step 3: Cross multiply
    42,625.44x = 63,991.08 × 28,406.16
  4. Step 4: Simplify right side
    42,625.44x = 1,817,740,857.05
  5. Step 5: Solve for x
    x = 1,817,740,857.05/42,625.44
  6. Step 6: Final answer
    x = 42,644.51

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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.