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Finding the Fourth Proportional to 21,362.88, 32,048.01 and 9,520.86

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Solution

The fourth proportional to 21,362.88, 32,048.01 and 9,520.86 is: 14,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.88 : 32,048.01 = 9,520.86 : x
  2. Step 2: Convert to fraction form
    21,362.88/32,048.01 = 9,520.86/x
  3. Step 3: Cross multiply
    21,362.88x = 32,048.01 × 9,520.86
  4. Step 4: Simplify right side
    21,362.88x = 305,124,616.49
  5. Step 5: Solve for x
    x = 305,124,616.49/21,362.88
  6. Step 6: Final answer
    x = 14,282.93

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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.