Home / 35,496.80-53,180.40-28,887.20

Finding the Fourth Proportional to 35,496.80, 53,180.40 and 28,887.20

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Solution

The fourth proportional to 35,496.80, 53,180.40 and 28,887.20 is: 43,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.80 : 53,180.40 = 28,887.20 : x
  2. Step 2: Convert to fraction form
    35,496.80/53,180.40 = 28,887.20/x
  3. Step 3: Cross multiply
    35,496.80x = 53,180.40 × 28,887.20
  4. Step 4: Simplify right side
    35,496.80x = 1,536,232,850.88
  5. Step 5: Solve for x
    x = 1,536,232,850.88/35,496.80
  6. Step 6: Final answer
    x = 43,278.07

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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.