Home / 21,383.28-32,075.01-8,895.51

Finding the Fourth Proportional to 21,383.28, 32,075.01 and 8,895.51

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Solution

The fourth proportional to 21,383.28, 32,075.01 and 8,895.51 is: 13,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.28 : 32,075.01 = 8,895.51 : x
  2. Step 2: Convert to fraction form
    21,383.28/32,075.01 = 8,895.51/x
  3. Step 3: Cross multiply
    21,383.28x = 32,075.01 × 8,895.51
  4. Step 4: Simplify right side
    21,383.28x = 285,323,572.21
  5. Step 5: Solve for x
    x = 285,323,572.21/21,383.28
  6. Step 6: Final answer
    x = 13,343.30

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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.