Home / 19,663.75-29,471.04-15,487.27

Finding the Fourth Proportional to 19,663.75, 29,471.04 and 15,487.27

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Solution

The fourth proportional to 19,663.75, 29,471.04 and 15,487.27 is: 23,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.75 : 29,471.04 = 15,487.27 : x
  2. Step 2: Convert to fraction form
    19,663.75/29,471.04 = 15,487.27/x
  3. Step 3: Cross multiply
    19,663.75x = 29,471.04 × 15,487.27
  4. Step 4: Simplify right side
    19,663.75x = 456,425,953.66
  5. Step 5: Solve for x
    x = 456,425,953.66/19,663.75
  6. Step 6: Final answer
    x = 23,211.54

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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.