Home / 28,190.15-42,233.03-14,133.77

Finding the Fourth Proportional to 28,190.15, 42,233.03 and 14,133.77

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Solution

The fourth proportional to 28,190.15, 42,233.03 and 14,133.77 is: 21,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.15 : 42,233.03 = 14,133.77 : x
  2. Step 2: Convert to fraction form
    28,190.15/42,233.03 = 14,133.77/x
  3. Step 3: Cross multiply
    28,190.15x = 42,233.03 × 14,133.77
  4. Step 4: Simplify right side
    28,190.15x = 596,912,002.67
  5. Step 5: Solve for x
    x = 596,912,002.67/28,190.15
  6. Step 6: Final answer
    x = 21,174.49

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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.