Home / 21,566.63-29,773.63-15,126.05

Finding the Fourth Proportional to 21,566.63, 29,773.63 and 15,126.05

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Solution

The fourth proportional to 21,566.63, 29,773.63 and 15,126.05 is: 20,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.63 : 29,773.63 = 15,126.05 : x
  2. Step 2: Convert to fraction form
    21,566.63/29,773.63 = 15,126.05/x
  3. Step 3: Cross multiply
    21,566.63x = 29,773.63 × 15,126.05
  4. Step 4: Simplify right side
    21,566.63x = 450,357,267.19
  5. Step 5: Solve for x
    x = 450,357,267.19/21,566.63
  6. Step 6: Final answer
    x = 20,882.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.