Home / 28,372.07-42,493.41-13,591.45

Finding the Fourth Proportional to 28,372.07, 42,493.41 and 13,591.45

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Solution

The fourth proportional to 28,372.07, 42,493.41 and 13,591.45 is: 20,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.07 : 42,493.41 = 13,591.45 : x
  2. Step 2: Convert to fraction form
    28,372.07/42,493.41 = 13,591.45/x
  3. Step 3: Cross multiply
    28,372.07x = 42,493.41 × 13,591.45
  4. Step 4: Simplify right side
    28,372.07x = 577,546,871.44
  5. Step 5: Solve for x
    x = 577,546,871.44/28,372.07
  6. Step 6: Final answer
    x = 20,356.17

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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.