Home / 28,431.49-42,593.93-23,781.39

Finding the Fourth Proportional to 28,431.49, 42,593.93 and 23,781.39

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Solution

The fourth proportional to 28,431.49, 42,593.93 and 23,781.39 is: 35,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.49 : 42,593.93 = 23,781.39 : x
  2. Step 2: Convert to fraction form
    28,431.49/42,593.93 = 23,781.39/x
  3. Step 3: Cross multiply
    28,431.49x = 42,593.93 × 23,781.39
  4. Step 4: Simplify right side
    28,431.49x = 1,012,942,860.96
  5. Step 5: Solve for x
    x = 1,012,942,860.96/28,431.49
  6. Step 6: Final answer
    x = 35,627.50

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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.