Home / 21,593.98-32,442-18,838.36

Finding the Fourth Proportional to 21,593.98, 32,442 and 18,838.36

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Solution

The fourth proportional to 21,593.98, 32,442 and 18,838.36 is: 28,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.98 : 32,442 = 18,838.36 : x
  2. Step 2: Convert to fraction form
    21,593.98/32,442 = 18,838.36/x
  3. Step 3: Cross multiply
    21,593.98x = 32,442 × 18,838.36
  4. Step 4: Simplify right side
    21,593.98x = 611,154,075.12
  5. Step 5: Solve for x
    x = 611,154,075.12/21,593.98
  6. Step 6: Final answer
    x = 28,302.06

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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.