Home / 21,577.11-32,368.85-11,053.08

Finding the Fourth Proportional to 21,577.11, 32,368.85 and 11,053.08

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Solution

The fourth proportional to 21,577.11, 32,368.85 and 11,053.08 is: 16,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.11 : 32,368.85 = 11,053.08 : x
  2. Step 2: Convert to fraction form
    21,577.11/32,368.85 = 11,053.08/x
  3. Step 3: Cross multiply
    21,577.11x = 32,368.85 × 11,053.08
  4. Step 4: Simplify right side
    21,577.11x = 357,775,474.74
  5. Step 5: Solve for x
    x = 357,775,474.74/21,577.11
  6. Step 6: Final answer
    x = 16,581.25

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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.