Home / 21,703.70-32,553.34-14,728.53

Finding the Fourth Proportional to 21,703.70, 32,553.34 and 14,728.53

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Solution

The fourth proportional to 21,703.70, 32,553.34 and 14,728.53 is: 22,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.70 : 32,553.34 = 14,728.53 : x
  2. Step 2: Convert to fraction form
    21,703.70/32,553.34 = 14,728.53/x
  3. Step 3: Cross multiply
    21,703.70x = 32,553.34 × 14,728.53
  4. Step 4: Simplify right side
    21,703.70x = 479,463,012.89
  5. Step 5: Solve for x
    x = 479,463,012.89/21,703.70
  6. Step 6: Final answer
    x = 22,091.31

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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.