Home / 28,365.73-42,548.80-10,600.40

Finding the Fourth Proportional to 28,365.73, 42,548.80 and 10,600.40

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Solution

The fourth proportional to 28,365.73, 42,548.80 and 10,600.40 is: 15,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.73 : 42,548.80 = 10,600.40 : x
  2. Step 2: Convert to fraction form
    28,365.73/42,548.80 = 10,600.40/x
  3. Step 3: Cross multiply
    28,365.73x = 42,548.80 × 10,600.40
  4. Step 4: Simplify right side
    28,365.73x = 451,034,379.39
  5. Step 5: Solve for x
    x = 451,034,379.39/28,365.73
  6. Step 6: Final answer
    x = 15,900.68

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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.