Home / 28,850.77-43,282.64-9,130.51

Finding the Fourth Proportional to 28,850.77, 43,282.64 and 9,130.51

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Solution

The fourth proportional to 28,850.77, 43,282.64 and 9,130.51 is: 13,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.77 : 43,282.64 = 9,130.51 : x
  2. Step 2: Convert to fraction form
    28,850.77/43,282.64 = 9,130.51/x
  3. Step 3: Cross multiply
    28,850.77x = 43,282.64 × 9,130.51
  4. Step 4: Simplify right side
    28,850.77x = 395,192,577.35
  5. Step 5: Solve for x
    x = 395,192,577.35/28,850.77
  6. Step 6: Final answer
    x = 13,697.82

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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.