Home / 20,926.07-31,378.84-14,603.95

Finding the Fourth Proportional to 20,926.07, 31,378.84 and 14,603.95

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Solution

The fourth proportional to 20,926.07, 31,378.84 and 14,603.95 is: 21,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.07 : 31,378.84 = 14,603.95 : x
  2. Step 2: Convert to fraction form
    20,926.07/31,378.84 = 14,603.95/x
  3. Step 3: Cross multiply
    20,926.07x = 31,378.84 × 14,603.95
  4. Step 4: Simplify right side
    20,926.07x = 458,255,010.42
  5. Step 5: Solve for x
    x = 458,255,010.42/20,926.07
  6. Step 6: Final answer
    x = 21,898.76

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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.