Home / 28,108.77-42,158.54-10,093.27

Finding the Fourth Proportional to 28,108.77, 42,158.54 and 10,093.27

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Solution

The fourth proportional to 28,108.77, 42,158.54 and 10,093.27 is: 15,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.77 : 42,158.54 = 10,093.27 : x
  2. Step 2: Convert to fraction form
    28,108.77/42,158.54 = 10,093.27/x
  3. Step 3: Cross multiply
    28,108.77x = 42,158.54 × 10,093.27
  4. Step 4: Simplify right side
    28,108.77x = 425,517,527.03
  5. Step 5: Solve for x
    x = 425,517,527.03/28,108.77
  6. Step 6: Final answer
    x = 15,138.25

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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.