Home / 21,487.77-32,244.17-9,006.75

Finding the Fourth Proportional to 21,487.77, 32,244.17 and 9,006.75

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Solution

The fourth proportional to 21,487.77, 32,244.17 and 9,006.75 is: 13,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.77 : 32,244.17 = 9,006.75 : x
  2. Step 2: Convert to fraction form
    21,487.77/32,244.17 = 9,006.75/x
  3. Step 3: Cross multiply
    21,487.77x = 32,244.17 × 9,006.75
  4. Step 4: Simplify right side
    21,487.77x = 290,415,133.11
  5. Step 5: Solve for x
    x = 290,415,133.11/21,487.77
  6. Step 6: Final answer
    x = 13,515.37

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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.