Home / 21,582.59-29,773.63-14,031.29

Finding the Fourth Proportional to 21,582.59, 29,773.63 and 14,031.29

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Solution

The fourth proportional to 21,582.59, 29,773.63 and 14,031.29 is: 19,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.59 : 29,773.63 = 14,031.29 : x
  2. Step 2: Convert to fraction form
    21,582.59/29,773.63 = 14,031.29/x
  3. Step 3: Cross multiply
    21,582.59x = 29,773.63 × 14,031.29
  4. Step 4: Simplify right side
    21,582.59x = 417,762,436.88
  5. Step 5: Solve for x
    x = 417,762,436.88/21,582.59
  6. Step 6: Final answer
    x = 19,356.46

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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.