Home / 21,592.77-32,315.94-13,278.01

Finding the Fourth Proportional to 21,592.77, 32,315.94 and 13,278.01

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Solution

The fourth proportional to 21,592.77, 32,315.94 and 13,278.01 is: 19,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.77 : 32,315.94 = 13,278.01 : x
  2. Step 2: Convert to fraction form
    21,592.77/32,315.94 = 13,278.01/x
  3. Step 3: Cross multiply
    21,592.77x = 32,315.94 × 13,278.01
  4. Step 4: Simplify right side
    21,592.77x = 429,091,374.48
  5. Step 5: Solve for x
    x = 429,091,374.48/21,592.77
  6. Step 6: Final answer
    x = 19,871.99

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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.