Home / 35,935.40-53,903.10-28,418.60

Finding the Fourth Proportional to 35,935.40, 53,903.10 and 28,418.60

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Solution

The fourth proportional to 35,935.40, 53,903.10 and 28,418.60 is: 42,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.40 : 53,903.10 = 28,418.60 : x
  2. Step 2: Convert to fraction form
    35,935.40/53,903.10 = 28,418.60/x
  3. Step 3: Cross multiply
    35,935.40x = 53,903.10 × 28,418.60
  4. Step 4: Simplify right side
    35,935.40x = 1,531,850,637.66
  5. Step 5: Solve for x
    x = 1,531,850,637.66/35,935.40
  6. Step 6: Final answer
    x = 42,627.90

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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.