Home / 28,536.08-42,806.46-14,299.52

Finding the Fourth Proportional to 28,536.08, 42,806.46 and 14,299.52

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Solution

The fourth proportional to 28,536.08, 42,806.46 and 14,299.52 is: 21,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.08 : 42,806.46 = 14,299.52 : x
  2. Step 2: Convert to fraction form
    28,536.08/42,806.46 = 14,299.52/x
  3. Step 3: Cross multiply
    28,536.08x = 42,806.46 × 14,299.52
  4. Step 4: Simplify right side
    28,536.08x = 612,111,830.90
  5. Step 5: Solve for x
    x = 612,111,830.90/28,536.08
  6. Step 6: Final answer
    x = 21,450.45

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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.