Home / 22,523.89-31,082.95-13,571.77

Finding the Fourth Proportional to 22,523.89, 31,082.95 and 13,571.77

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Solution

The fourth proportional to 22,523.89, 31,082.95 and 13,571.77 is: 18,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.89 : 31,082.95 = 13,571.77 : x
  2. Step 2: Convert to fraction form
    22,523.89/31,082.95 = 13,571.77/x
  3. Step 3: Cross multiply
    22,523.89x = 31,082.95 × 13,571.77
  4. Step 4: Simplify right side
    22,523.89x = 421,850,648.32
  5. Step 5: Solve for x
    x = 421,850,648.32/22,523.89
  6. Step 6: Final answer
    x = 18,729.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.