Home / 19,486.40-26,897.12-16,862

Finding the Fourth Proportional to 19,486.40, 26,897.12 and 16,862

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Solution

The fourth proportional to 19,486.40, 26,897.12 and 16,862 is: 23,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.40 : 26,897.12 = 16,862 : x
  2. Step 2: Convert to fraction form
    19,486.40/26,897.12 = 16,862/x
  3. Step 3: Cross multiply
    19,486.40x = 26,897.12 × 16,862
  4. Step 4: Simplify right side
    19,486.40x = 453,539,237.44
  5. Step 5: Solve for x
    x = 453,539,237.44/19,486.40
  6. Step 6: Final answer
    x = 23,274.66

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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.